diff --git a/app/models/project.rb b/app/models/project.rb
index b26c697a7b71ead3c48b520930364bc1ebf199f2..f3dddc28adb01809922177abfcb6cfd909186791 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -14,7 +14,7 @@
 #  merge_requests_enabled :boolean          default(TRUE), not null
 #  wiki_enabled           :boolean          default(TRUE), not null
 #  namespace_id           :integer
-#  issues_tracker         :string(255)      default('gitlab'), not null
+#  issues_tracker         :string(255)      default("gitlab"), not null
 #  issues_tracker_id      :string(255)
 #  snippets_enabled       :boolean          default(TRUE), not null
 #  last_activity_at       :datetime
diff --git a/app/models/project_services/custom_issue_tracker_service.rb b/app/models/project_services/custom_issue_tracker_service.rb
index 2476b62da8975cf04e65ec7ffa1f07a06380a9fe..b6b79589f1d40c6124e77a8dfadca0162ee9f8da 100644
--- a/app/models/project_services/custom_issue_tracker_service.rb
+++ b/app/models/project_services/custom_issue_tracker_service.rb
@@ -1,3 +1,17 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime
+#  updated_at :datetime
+#  active     :boolean          default(FALSE), not null
+#  properties :text
+#
+
 class CustomIssueTrackerService < IssueTrackerService
 
   prop_accessor :title, :description, :project_url, :issues_url, :new_issue_url
diff --git a/app/models/project_services/gitlab_issue_tracker_service.rb b/app/models/project_services/gitlab_issue_tracker_service.rb
index 25f5f23bdf9a9f281cd278f4d8a201de05181534..25e399883b77875de0c6353d3b1b31fc075857b0 100644
--- a/app/models/project_services/gitlab_issue_tracker_service.rb
+++ b/app/models/project_services/gitlab_issue_tracker_service.rb
@@ -1,3 +1,17 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime
+#  updated_at :datetime
+#  active     :boolean          default(FALSE), not null
+#  properties :text
+#
+
 class GitlabIssueTrackerService < IssueTrackerService
   include Rails.application.routes.url_helpers
   prop_accessor :title, :description, :project_url, :issues_url, :new_issue_url
diff --git a/app/models/project_services/issue_tracker_service.rb b/app/models/project_services/issue_tracker_service.rb
index 632f053d17b9271fdc5af72cd47ccc7011aaf6e2..acc8b33178c130a6f4f426538159397418f15872 100644
--- a/app/models/project_services/issue_tracker_service.rb
+++ b/app/models/project_services/issue_tracker_service.rb
@@ -1,3 +1,17 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime
+#  updated_at :datetime
+#  active     :boolean          default(FALSE), not null
+#  properties :text
+#
+
 class IssueTrackerService < Service
 
   validates :project_url, :issues_url, :new_issue_url, presence: true, if: :activated?
diff --git a/app/models/project_services/jira_service.rb b/app/models/project_services/jira_service.rb
index b0d668948d0721464acde3372bb42eeba97894eb..7a32b0e8c2cf77dbe65c01cc789064a20e407994 100644
--- a/app/models/project_services/jira_service.rb
+++ b/app/models/project_services/jira_service.rb
@@ -1,3 +1,17 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime
+#  updated_at :datetime
+#  active     :boolean          default(FALSE), not null
+#  properties :text
+#
+
 class JiraService < IssueTrackerService
 
   prop_accessor :title, :description, :project_url, :issues_url, :new_issue_url
diff --git a/app/models/project_services/redmine_service.rb b/app/models/project_services/redmine_service.rb
index 11cce3e0561f827f6023dce431ca2afc6957416c..547b24018329bb9884aea8ea7ddf612f8f32f7f0 100644
--- a/app/models/project_services/redmine_service.rb
+++ b/app/models/project_services/redmine_service.rb
@@ -1,3 +1,17 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime
+#  updated_at :datetime
+#  active     :boolean          default(FALSE), not null
+#  properties :text
+#
+
 class RedmineService < IssueTrackerService
 
   prop_accessor :title, :description, :project_url, :issues_url, :new_issue_url
diff --git a/spec/factories/projects.rb b/spec/factories/projects.rb
index 5ae57718c1a9cbc4842f27509addb94cbe8de22d..0899a7603fcec5b2ffef6c0358e588268298700e 100644
--- a/spec/factories/projects.rb
+++ b/spec/factories/projects.rb
@@ -26,6 +26,7 @@
 #  star_count             :integer          default(0), not null
 #  import_type            :string(255)
 #  import_source          :string(255)
+#  avatar                 :string(255)
 #
 
 FactoryGirl.define do
diff --git a/spec/models/project_services/jira_service_spec.rb b/spec/models/project_services/jira_service_spec.rb
index 0c73a68c924b67df64c616fa2a9f3b90e60410d5..99ca04eff6e3d2bf4da3b63ea0be1a81d85fc32c 100644
--- a/spec/models/project_services/jira_service_spec.rb
+++ b/spec/models/project_services/jira_service_spec.rb
@@ -1,3 +1,17 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime
+#  updated_at :datetime
+#  active     :boolean          default(FALSE), not null
+#  properties :text
+#
+
 require 'spec_helper'
 
 describe JiraService do
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 092c02d552e099edf51fd09071c54f0413161406..4669a9fd87dbe35dc4c089ffa9276a0cee1e9d13 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -14,7 +14,7 @@
 #  merge_requests_enabled :boolean          default(TRUE), not null
 #  wiki_enabled           :boolean          default(TRUE), not null
 #  namespace_id           :integer
-#  issues_tracker         :string(255)      default('gitlab'), not null
+#  issues_tracker         :string(255)      default("gitlab"), not null
 #  issues_tracker_id      :string(255)
 #  snippets_enabled       :boolean          default(TRUE), not null
 #  last_activity_at       :datetime