diff --git a/app/controllers/projects/issues_controller.rb b/app/controllers/projects/issues_controller.rb
index 69bd1f58449d64449ddd36a50fc0a48f906359f8..2fccec52d334f7d70c022da42619ab6a934fb583 100644
--- a/app/controllers/projects/issues_controller.rb
+++ b/app/controllers/projects/issues_controller.rb
@@ -123,7 +123,7 @@ class Projects::IssuesController < Projects::ApplicationController
   end
 
   def authorize_modify_issue!
-    return render_404 unless can?(current_user, :modify_issue, @issue)
+    return render_404 unless can?(current_user, :update_issue, @issue)
   end
 
   def authorize_admin_issues!
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index a13688305b73375726a1ae041d6fd68362fda873..b50c0dd18ea69d64d6e37fd04341743ba1a1b0ce 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -219,7 +219,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
   end
 
   def authorize_modify_merge_request!
-    return render_404 unless can?(current_user, :modify_merge_request, @merge_request)
+    return render_404 unless can?(current_user, :update_merge_request, @merge_request)
   end
 
   def authorize_admin_merge_request!
diff --git a/app/controllers/projects/snippets_controller.rb b/app/controllers/projects/snippets_controller.rb
index 3d75abcc29d5171912058796b0d93c0e66561288..a0caa4018c39d7396f8db08b0fd7b63ad307c6cc 100644
--- a/app/controllers/projects/snippets_controller.rb
+++ b/app/controllers/projects/snippets_controller.rb
@@ -76,7 +76,7 @@ class Projects::SnippetsController < Projects::ApplicationController
   end
 
   def authorize_modify_project_snippet!
-    return render_404 unless can?(current_user, :modify_project_snippet, @snippet)
+    return render_404 unless can?(current_user, :update_project_snippet, @snippet)
   end
 
   def authorize_admin_project_snippet!
diff --git a/app/controllers/projects/wikis_controller.rb b/app/controllers/projects/wikis_controller.rb
index 36ef86e190973374af9fab4cfcf1675e4c067e2a..287219eabd5dd83d749ea4aa1634d3453b5fa4ad 100644
--- a/app/controllers/projects/wikis_controller.rb
+++ b/app/controllers/projects/wikis_controller.rb
@@ -28,7 +28,7 @@ class Projects::WikisController < Projects::ApplicationController
         )
       end
     else
-      return render('empty') unless can?(current_user, :write_wiki, @project)
+      return render('empty') unless can?(current_user, :create_wiki, @project)
       @page = WikiPage.new(@project_wiki)
       @page.title = params[:id]
 
@@ -43,7 +43,7 @@ class Projects::WikisController < Projects::ApplicationController
   def update
     @page = @project_wiki.find_page(params[:id])
 
-    return render('empty') unless can?(current_user, :write_wiki, @project)
+    return render('empty') unless can?(current_user, :create_wiki, @project)
 
     if @page.update(content, format, message)
       redirect_to(
diff --git a/app/controllers/snippets_controller.rb b/app/controllers/snippets_controller.rb
index cf672c5c0932b05b8a34d20aaed6e8a09460c98f..0ca71c155c51b59e12068a98a6f0196ba4132f9d 100644
--- a/app/controllers/snippets_controller.rb
+++ b/app/controllers/snippets_controller.rb
@@ -88,7 +88,7 @@ class SnippetsController < ApplicationController
   end
 
   def authorize_modify_snippet!
-    return render_404 unless can?(current_user, :modify_personal_snippet, @snippet)
+    return render_404 unless can?(current_user, :update_personal_snippet, @snippet)
   end
 
   def authorize_admin_snippet!
diff --git a/app/models/ability.rb b/app/models/ability.rb
index c90c99c5b5f952d476ff2f12fd92437382af7d8f..6e727ca7b5693c7f113b270ed1bc2c82ba84e6fb 100644
--- a/app/models/ability.rb
+++ b/app/models/ability.rb
@@ -144,9 +144,9 @@ class Ability
         :read_project_member,
         :read_merge_request,
         :read_note,
-        :write_project,
-        :write_issue,
-        :write_note
+        :create_project,
+        :create_issue,
+        :create_note
       ]
     end
 
@@ -154,15 +154,15 @@ class Ability
       project_guest_rules + [
         :download_code,
         :fork_project,
-        :write_project_snippet
+        :create_project_snippet
       ]
     end
 
     def project_dev_rules
       project_report_rules + [
-        :write_merge_request,
-        :write_wiki,
-        :modify_issue,
+        :create_merge_request,
+        :create_wiki,
+        :update_issue,
         :admin_issue,
         :admin_label,
         :push_code
@@ -171,10 +171,10 @@ class Ability
 
     def project_archived_rules
       [
-        :write_merge_request,
+        :create_merge_request,
         :push_code,
         :push_code_to_protected_branches,
-        :modify_merge_request,
+        :update_merge_request,
         :admin_merge_request
       ]
     end
@@ -182,9 +182,9 @@ class Ability
     def project_master_rules
       project_dev_rules + [
         :push_code_to_protected_branches,
-        :modify_issue,
-        :modify_project_snippet,
-        :modify_merge_request,
+        :update_issue,
+        :update_project_snippet,
+        :update_merge_request,
         :admin_milestone,
         :admin_project_snippet,
         :admin_project_member,
@@ -277,7 +277,7 @@ class Ability
       group = subject.group
       can_manage = group_abilities(user, group).include?(:admin_group)
       if can_manage && (user != target_user)
-        rules << :modify_group_member
+        rules << :update_group_member
         rules << :destroy_group_member
       end
       if !group.last_owner?(user) && (can_manage || (user == target_user))
diff --git a/app/services/issues/bulk_update_service.rb b/app/services/issues/bulk_update_service.rb
index eb07413ee9439e393b266049fc9aa2d3c9f1ec8e..de8387c49008c76b78344668495964385fdc4302 100644
--- a/app/services/issues/bulk_update_service.rb
+++ b/app/services/issues/bulk_update_service.rb
@@ -10,7 +10,7 @@ module Issues
 
       issues = Issue.where(id: issues_ids)
       issues.each do |issue|
-        next unless can?(current_user, :modify_issue, issue)
+        next unless can?(current_user, :update_issue, issue)
 
         Issues::UpdateService.new(issue.project, current_user, issue_params).execute(issue)
       end
diff --git a/app/views/groups/group_members/_group_member.html.haml b/app/views/groups/group_members/_group_member.html.haml
index ec39a755f0f2a736030a89c4a74805f215415aa5..b460e0ff59ea6065fa1087af27b35bbe9d97a8ec 100644
--- a/app/views/groups/group_members/_group_member.html.haml
+++ b/app/views/groups/group_members/_group_member.html.haml
@@ -32,7 +32,7 @@
     %span.pull-right
       %strong= member.human_access
       - if show_controls
-        - if can?(current_user, :modify_group_member, member)
+        - if can?(current_user, :update_group_member, member)
           = button_tag class: "btn-xs btn js-toggle-button",
                        title: 'Edit access level', type: 'button' do
             %i.fa.fa-pencil-square-o
diff --git a/app/views/projects/_aside.html.haml b/app/views/projects/_aside.html.haml
index 86a807a0caef79c615346d65e673d5109946bc3d..72aea8814f57255deb31c7e0e35c8c2d31bc40de 100644
--- a/app/views/projects/_aside.html.haml
+++ b/app/views/projects/_aside.html.haml
@@ -22,11 +22,11 @@
                   Contribution guide
 
         .actions
-          - if can? current_user, :write_issue, @project
+          - if can? current_user, :create_issue, @project
             = link_to url_for_new_issue(@project, only_path: true), title: "New Issue", class: 'btn btn-sm append-right-10' do
               New Issue
 
-          - if can? current_user, :write_merge_request, @project
+          - if can? current_user, :create_merge_request, @project
             = link_to new_namespace_project_merge_request_path(@project.namespace, @project), class: "btn btn-sm", title: "New Merge Request" do
               New Merge Request
 
diff --git a/app/views/projects/diffs/_parallel_view.html.haml b/app/views/projects/diffs/_parallel_view.html.haml
index cb41dd852d35254860aca602b4e311e830f0d49f..37fd1b1ec8a34d4ce6a276f4e38e681af01164a0 100644
--- a/app/views/projects/diffs/_parallel_view.html.haml
+++ b/app/views/projects/diffs/_parallel_view.html.haml
@@ -18,7 +18,7 @@
         - elsif type_left ==  'old' || type_left.nil?
           %td.old_line{id: line_code_left, class: "#{type_left}"}
             = link_to raw(line_number_left), "##{line_code_left}", id: line_code_left
-            - if @comments_allowed && can?(current_user, :write_note, @project)
+            - if @comments_allowed && can?(current_user, :create_note, @project)
               = link_to_new_diff_note(line_code_left, 'old')
             %td.line_content{class: "parallel noteable_line #{type_left} #{line_code_left}", "line_code" => line_code_left }= raw line_content_left
 
@@ -31,7 +31,7 @@
 
           %td.new_line{id: new_line_code, class: "#{new_line_class}", data: { linenumber: line_number_right }}
             = link_to raw(line_number_right), "##{new_line_code}", id: new_line_code
-            - if @comments_allowed && can?(current_user, :write_note, @project)
+            - if @comments_allowed && can?(current_user, :create_note, @project)
               = link_to_new_diff_note(line_code_right, 'new')
             %td.line_content.parallel{class: "noteable_line #{new_line_class} #{new_line_code}", "line_code" => new_line_code}= raw line_content_right
 
diff --git a/app/views/projects/diffs/_text_file.html.haml b/app/views/projects/diffs/_text_file.html.haml
index a6373181b45f7084c84eb0defe662e80182fa2d1..ed4c601bcdbab7404154b9b12a88513addccde00 100644
--- a/app/views/projects/diffs/_text_file.html.haml
+++ b/app/views/projects/diffs/_text_file.html.haml
@@ -16,7 +16,7 @@
       - else
         %td.old_line
           = link_to raw(type == "new" ? "&nbsp;" : line_old), "##{line_code}", id: line_code
-          - if @comments_allowed && can?(current_user, :write_note, @project)
+          - if @comments_allowed && can?(current_user, :create_note, @project)
             = link_to_new_diff_note(line_code)
         %td.new_line{data: {linenumber: line.new_pos}}
           = link_to raw(type == "old" ? "&nbsp;" : line.new_pos) , "##{line_code}", id: line_code
diff --git a/app/views/projects/issues/_discussion.html.haml b/app/views/projects/issues/_discussion.html.haml
index a099e5972945a0556515481e4d4f8ad398d5cc3d..f61ae95720819c8b0c1e7e868ec7e946b113e901 100644
--- a/app/views/projects/issues/_discussion.html.haml
+++ b/app/views/projects/issues/_discussion.html.haml
@@ -1,5 +1,5 @@
 - content_for :note_actions do
-  - if can?(current_user, :modify_issue, @issue)
+  - if can?(current_user, :update_issue, @issue)
     - if @issue.closed?
       = link_to 'Reopen Issue', issue_path(@issue, issue: {state_event: :reopen}, status_only: true), method: :put, class: 'btn btn-grouped btn-reopen js-note-target-reopen', title: 'Reopen Issue'
     - else
diff --git a/app/views/projects/issues/index.html.haml b/app/views/projects/issues/index.html.haml
index 2785ff25e69db688af556b22fe92dcf7d53084bd..d06225f5488e2e4a487d7468337595b7f46ccdd4 100644
--- a/app/views/projects/issues/index.html.haml
+++ b/app/views/projects/issues/index.html.haml
@@ -13,7 +13,7 @@
 
       = render 'shared/issuable/search_form', path: namespace_project_issues_path(@project.namespace, @project)
 
-    - if can? current_user, :write_issue, @project
+    - if can? current_user, :create_issue, @project
       = link_to new_namespace_project_issue_path(@project.namespace, @project, issue: { assignee_id: @issuable_finder.assignee.try(:id), milestone_id: @issuable_finder.milestones.try(:first).try(:id) }), class: "btn btn-new pull-left", title: "New Issue", id: "new_issue_link" do
         %i.fa.fa-plus
         New Issue
diff --git a/app/views/projects/issues/show.html.haml b/app/views/projects/issues/show.html.haml
index 5bbb1fd4e92623a1ca93d2a2ae5b337f41090c30..54d33a5ddd13eca178666232fd577dd9e79e4a66 100644
--- a/app/views/projects/issues/show.html.haml
+++ b/app/views/projects/issues/show.html.haml
@@ -12,11 +12,11 @@
         &middot; created by #{link_to_member(@project, @issue.author)} #{issue_timestamp(@issue)}
 
       .pull-right
-        - if can?(current_user, :write_issue, @project)
+        - if can?(current_user, :create_issue, @project)
           = link_to new_namespace_project_issue_path(@project.namespace, @project), class: 'btn btn-grouped new-issue-link', title: 'New Issue', id: 'new_issue_link' do
             = icon('plus')
             New Issue
-        - if can?(current_user, :modify_issue, @issue)
+        - if can?(current_user, :update_issue, @issue)
           - if @issue.closed?
             = link_to 'Reopen', issue_path(@issue, issue: {state_event: :reopen}, status_only: true), method: :put, class: 'btn btn-grouped btn-reopen'
           - else
@@ -31,7 +31,7 @@
       = gfm escape_once(@issue.title)
     %div
       - if @issue.description.present?
-        .description{class: can?(current_user, :modify_issue, @issue) ? 'js-task-list-container' : ''}
+        .description{class: can?(current_user, :update_issue, @issue) ? 'js-task-list-container' : ''}
           .wiki
             = preserve do
               = markdown(@issue.description)
diff --git a/app/views/projects/merge_requests/_discussion.html.haml b/app/views/projects/merge_requests/_discussion.html.haml
index 76088b9c862c51b8e3ec98054af5c78db9055af9..f855dfec3218d11263dd6384b8ec25a2595d059d 100644
--- a/app/views/projects/merge_requests/_discussion.html.haml
+++ b/app/views/projects/merge_requests/_discussion.html.haml
@@ -1,5 +1,5 @@
 - content_for :note_actions do
-  - if can?(current_user, :modify_merge_request, @merge_request)
+  - if can?(current_user, :update_merge_request, @merge_request)
     - if @merge_request.open?
       = link_to 'Close', merge_request_path(@merge_request, merge_request: {state_event: :close }), method: :put, class: "btn btn-grouped btn-close close-mr-link js-note-target-close", title: "Close merge request"
     - if @merge_request.closed?
diff --git a/app/views/projects/merge_requests/index.html.haml b/app/views/projects/merge_requests/index.html.haml
index 750cc3e6eea4e8cfdcdf16a1a94692c40357f092..e0bc1df97ee1f00dcc40bbdd3295de5ec3d1ba3f 100644
--- a/app/views/projects/merge_requests/index.html.haml
+++ b/app/views/projects/merge_requests/index.html.haml
@@ -3,7 +3,7 @@
   .pull-right
     = render 'shared/issuable/search_form', path: namespace_project_merge_requests_path(@project.namespace, @project)
 
-    - if can? current_user, :write_merge_request, @project
+    - if can? current_user, :create_merge_request, @project
       .pull-left.hidden-xs
         = link_to new_namespace_project_merge_request_path(@project.namespace, @project), class: "btn btn-new", title: "New Merge Request" do
           %i.fa.fa-plus
diff --git a/app/views/projects/merge_requests/show/_mr_box.html.haml b/app/views/projects/merge_requests/show/_mr_box.html.haml
index b3470ba37d6d416226e8ac980e88b937a9227f46..e3cd4346872feb0e119b8cc59e85117d090bb3e7 100644
--- a/app/views/projects/merge_requests/show/_mr_box.html.haml
+++ b/app/views/projects/merge_requests/show/_mr_box.html.haml
@@ -3,7 +3,7 @@
 
 %div
   - if @merge_request.description.present?
-    .description{class: can?(current_user, :modify_merge_request, @merge_request) ? 'js-task-list-container' : ''}
+    .description{class: can?(current_user, :update_merge_request, @merge_request) ? 'js-task-list-container' : ''}
       .wiki
         = preserve do
           = markdown(@merge_request.description)
diff --git a/app/views/projects/merge_requests/show/_mr_title.html.haml b/app/views/projects/merge_requests/show/_mr_title.html.haml
index 83baf157a92d1116c4ffd2918fe160f505abfa75..4e8144b4de2a86056b65242e978d9923d7f06825 100644
--- a/app/views/projects/merge_requests/show/_mr_title.html.haml
+++ b/app/views/projects/merge_requests/show/_mr_title.html.haml
@@ -7,7 +7,7 @@
     created by #{link_to_member(@project, @merge_request.author)} #{time_ago_with_tooltip(@merge_request.created_at)}
 
   .issue-btn-group.pull-right
-    - if can?(current_user, :modify_merge_request, @merge_request)
+    - if can?(current_user, :update_merge_request, @merge_request)
       - if @merge_request.open?
         = link_to 'Close', merge_request_path(@merge_request, merge_request: { state_event: :close }), method: :put, class: "btn btn-grouped btn-close", title: "Close merge request"
         = link_to edit_namespace_project_merge_request_path(@project.namespace, @project, @merge_request), class: "btn btn-grouped issuable-edit", id: "edit_merge_request" do
diff --git a/app/views/projects/milestones/show.html.haml b/app/views/projects/milestones/show.html.haml
index 5c85092a045c9403c756d033f9805766b34e9bc2..5947498e379b1ccaac58d3a5a67ff0bd3a29ba48 100644
--- a/app/views/projects/milestones/show.html.haml
+++ b/app/views/projects/milestones/show.html.haml
@@ -62,7 +62,7 @@
       %span.badge= @users.count
 
   .pull-right
-    - if can?(current_user, :write_issue, @project)
+    - if can?(current_user, :create_issue, @project)
       = link_to new_namespace_project_issue_path(@project.namespace, @project, issue: { milestone_id: @milestone.id }), class: "btn  btn-grouped", title: "New Issue" do
         %i.fa.fa-plus
         New Issue
diff --git a/app/views/projects/notes/_notes_with_form.html.haml b/app/views/projects/notes/_notes_with_form.html.haml
index a202e74a89276b62904fd8750620d900e5d2d218..04222b8f7c47e10d7e2d3922c3235a6fd6c2bde9 100644
--- a/app/views/projects/notes/_notes_with_form.html.haml
+++ b/app/views/projects/notes/_notes_with_form.html.haml
@@ -3,7 +3,7 @@
 .js-notes-busy
 
 .js-main-target-form
-- if can? current_user, :write_note, @project
+- if can? current_user, :create_note, @project
   = render "projects/notes/form", view: params[:view]
 
 :javascript
diff --git a/app/views/projects/snippets/index.html.haml b/app/views/projects/snippets/index.html.haml
index da9401bd8c1625a3308629ddd4afbd9251dcf3fd..30081673ffc76b4c2850a98b8358cf327b4bfa4c 100644
--- a/app/views/projects/snippets/index.html.haml
+++ b/app/views/projects/snippets/index.html.haml
@@ -1,7 +1,7 @@
 - page_title "Snippets"
 %h3.page-title
   Snippets
-  - if can? current_user, :write_project_snippet, @project
+  - if can? current_user, :create_project_snippet, @project
     = link_to new_namespace_project_snippet_path(@project.namespace, @project), class: "btn btn-new pull-right", title: "New Snippet" do
       Add new snippet
 
diff --git a/app/views/projects/snippets/show.html.haml b/app/views/projects/snippets/show.html.haml
index 5725d804df3f7a18b57d10bb176c1a6904ed7b37..8cbb813c75899bbbbd343018c8b250d74720e42e 100644
--- a/app/views/projects/snippets/show.html.haml
+++ b/app/views/projects/snippets/show.html.haml
@@ -28,7 +28,7 @@
       = @snippet.file_name
     .file-actions
       .btn-group
-        - if can?(current_user, :modify_project_snippet, @snippet)
+        - if can?(current_user, :update_project_snippet, @snippet)
           = link_to "edit", edit_namespace_project_snippet_path(@project.namespace, @project, @snippet), class: "btn btn-sm", title: 'Edit Snippet'
         = link_to "raw", raw_namespace_project_snippet_path(@project.namespace, @project, @snippet), class: "btn btn-sm", target: "_blank"
       - if can?(current_user, :admin_project_snippet, @snippet)
diff --git a/app/views/projects/wikis/_main_links.html.haml b/app/views/projects/wikis/_main_links.html.haml
index 633214a4e869f9d091a47b2968298b5bfa046c4c..788bb8cf1e2abfefbf5a0283d56557f5298c65b5 100644
--- a/app/views/projects/wikis/_main_links.html.haml
+++ b/app/views/projects/wikis/_main_links.html.haml
@@ -2,7 +2,7 @@
   - if (@page && @page.persisted?)
     = link_to history_namespace_project_wiki_path(@project.namespace, @project, @page), class: "btn btn-grouped" do
       Page History
-    - if can?(current_user, :write_wiki, @project)
+    - if can?(current_user, :create_wiki, @project)
       = link_to edit_namespace_project_wiki_path(@project.namespace, @project, @page), class: "btn btn-grouped" do
         %i.fa.fa-pencil-square-o
         Edit
diff --git a/app/views/projects/wikis/_nav.html.haml b/app/views/projects/wikis/_nav.html.haml
index 693c3facb3286c1f8e9805d2e37fcfe578ee6448..804a1b52dbe3303778364d33e14871d82b348609 100644
--- a/app/views/projects/wikis/_nav.html.haml
+++ b/app/views/projects/wikis/_nav.html.haml
@@ -10,7 +10,7 @@
       %i.fa.fa-download
       Git Access
 
-  - if can?(current_user, :write_wiki, @project)
+  - if can?(current_user, :create_wiki, @project)
     .pull-right
       = link_to '#modal-new-wiki', class: "add-new-wiki btn btn-new", "data-toggle" => "modal" do
         %i.fa.fa-plus
diff --git a/app/views/snippets/show.html.haml b/app/views/snippets/show.html.haml
index 70a95abde6f2be3dfd9a6f068a85949637ef61d1..089e81229188688a0a5c0815c474b970a178a2a5 100644
--- a/app/views/snippets/show.html.haml
+++ b/app/views/snippets/show.html.haml
@@ -36,7 +36,7 @@
       = @snippet.file_name
     .file-actions
       .btn-group
-        - if can?(current_user, :modify_personal_snippet, @snippet)
+        - if can?(current_user, :update_personal_snippet, @snippet)
           = link_to "edit", edit_snippet_path(@snippet), class: "btn btn-sm", title: 'Edit Snippet'
         = link_to "raw", raw_snippet_path(@snippet), class: "btn btn-sm", target: "_blank"
       - if can?(current_user, :admin_personal_snippet, @snippet)
diff --git a/lib/api/issues.rb b/lib/api/issues.rb
index c8db93eb77866730d6fb7c806df2831d66168a12..ca16d254f149e617d6bfa58cb80f0b9256dcd60b 100644
--- a/lib/api/issues.rb
+++ b/lib/api/issues.rb
@@ -144,7 +144,7 @@ module API
       #   PUT /projects/:id/issues/:issue_id
       put ":id/issues/:issue_id" do
         issue = user_project.issues.find(params[:issue_id])
-        authorize! :modify_issue, issue
+        authorize! :update_issue, issue
         attrs = attributes_for_keys [:title, :description, :assignee_id, :milestone_id, :state_event]
 
         # Validate label names in advance
diff --git a/lib/api/merge_requests.rb b/lib/api/merge_requests.rb
index d835dce2deda516937a8aa646361b2faa5606ac4..aa43e1dffd9ffa7e06941b673748c03fa1bd03b4 100644
--- a/lib/api/merge_requests.rb
+++ b/lib/api/merge_requests.rb
@@ -109,7 +109,7 @@ module API
       #   POST /projects/:id/merge_requests
       #
       post ":id/merge_requests" do
-        authorize! :write_merge_request, user_project
+        authorize! :create_merge_request, user_project
         required_attributes! [:source_branch, :target_branch, :title]
         attrs = attributes_for_keys [:source_branch, :target_branch, :assignee_id, :title, :target_project_id, :description]
 
@@ -149,7 +149,7 @@ module API
       put ":id/merge_request/:merge_request_id" do
         attrs = attributes_for_keys [:target_branch, :assignee_id, :title, :state_event, :description]
         merge_request = user_project.merge_requests.find(params[:merge_request_id])
-        authorize! :modify_merge_request, merge_request
+        authorize! :update_merge_request, merge_request
 
         # Ensure source_branch is not specified
         if params[:source_branch].present?
diff --git a/lib/api/project_snippets.rb b/lib/api/project_snippets.rb
index 54f2555903f0e3ed11f81f8a09e517ae296a7cf6..22ce3c6a0668ebfa228a0558575c657077704b91 100644
--- a/lib/api/project_snippets.rb
+++ b/lib/api/project_snippets.rb
@@ -46,7 +46,7 @@ module API
       # Example Request:
       #   POST /projects/:id/snippets
       post ":id/snippets" do
-        authorize! :write_project_snippet, user_project
+        authorize! :create_project_snippet, user_project
         required_attributes! [:title, :file_name, :code, :visibility_level]
 
         attrs = attributes_for_keys [:title, :file_name, :visibility_level]
@@ -74,7 +74,7 @@ module API
       #   PUT /projects/:id/snippets/:snippet_id
       put ":id/snippets/:snippet_id" do
         @snippet = user_project.snippets.find(params[:snippet_id])
-        authorize! :modify_project_snippet, @snippet
+        authorize! :update_project_snippet, @snippet
 
         attrs = attributes_for_keys [:title, :file_name, :visibility_level]
         attrs[:content] = params[:code] if params[:code].present?
@@ -98,7 +98,7 @@ module API
       delete ":id/snippets/:snippet_id" do
         begin
           @snippet = user_project.snippets.find(params[:snippet_id])
-          authorize! :modify_project_snippet, @snippet
+          authorize! :update_project_snippet, @snippet
           @snippet.destroy
         rescue
           not_found!('Snippet')
diff --git a/lib/gitlab/git_access_wiki.rb b/lib/gitlab/git_access_wiki.rb
index 8ba97184e69fdf8dfc1db8581629a358d6372d3e..8672cbc0ec44ad4a276557dfec60faa24836c5ce 100644
--- a/lib/gitlab/git_access_wiki.rb
+++ b/lib/gitlab/git_access_wiki.rb
@@ -1,7 +1,7 @@
 module Gitlab
   class GitAccessWiki < GitAccess
     def change_access_check(change)
-      if user.can?(:write_wiki, project)
+      if user.can?(:create_wiki, project)
         build_status_object(true)
       else
         build_status_object(false, "You are not allowed to write to this project's wiki.")
diff --git a/spec/models/members/project_member_spec.rb b/spec/models/members/project_member_spec.rb
index 5c72cfe1d6a0bcfa6efc317d522708b8cf009f20..ee912bf12a2017e72cf154043ad2c7ec5cff99d1 100644
--- a/spec/models/members/project_member_spec.rb
+++ b/spec/models/members/project_member_spec.rb
@@ -43,7 +43,7 @@ describe ProjectMember do
       it { expect(@project_2.users).to include(@user_1) }
       it { expect(@project_2.users).to include(@user_2) }
 
-      it { expect(@abilities.allowed?(@user_1, :write_project, @project_2)).to be_truthy }
+      it { expect(@abilities.allowed?(@user_1, :create_project, @project_2)).to be_truthy }
       it { expect(@abilities.allowed?(@user_2, :read_project, @project_2)).to be_truthy }
     end
 
diff --git a/spec/models/note_spec.rb b/spec/models/note_spec.rb
index 9037992bb08956340e3b7c922a76351b7c6af5c8..eba33dd510f68554c201575e0db39bcb6e8b9602 100644
--- a/spec/models/note_spec.rb
+++ b/spec/models/note_spec.rb
@@ -172,9 +172,9 @@ describe Note do
         @p2.project_members.create(user: @u3, access_level: ProjectMember::DEVELOPER)
       end
 
-      it { expect(@abilities.allowed?(@u1, :write_note, @p1)).to be_falsey }
-      it { expect(@abilities.allowed?(@u2, :write_note, @p1)).to be_truthy }
-      it { expect(@abilities.allowed?(@u3, :write_note, @p1)).to be_falsey }
+      it { expect(@abilities.allowed?(@u1, :create_note, @p1)).to be_falsey }
+      it { expect(@abilities.allowed?(@u2, :create_note, @p1)).to be_truthy }
+      it { expect(@abilities.allowed?(@u3, :create_note, @p1)).to be_falsey }
     end
 
     describe 'admin' do