Fix broken link in permissions page [ci skip]

doc/permissions/permissions.md

@@ -6,11 +6,11 @@ If a user is both in a project group and in the project itself, the highest perm
 If a user is a GitLab administrator they receive all permissions.
-On public projects the Guest role is not enforced.  
-All users will be able to create issues, leave comments, and pull or download the project code.  
+On public projects the Guest role is not enforced.
+All users will be able to create issues, leave comments, and pull or download the project code.
 To add or import a user, you can follow the [project users and members
-documentation](doc/workflow/add-user/add-user.md).
+documentation](../workflow/add-user/add-user.md).
 ## Project