Automatic merge of gitlab-org/gitlab-ce master

doc/user/group/index.md

@@ -9,6 +9,8 @@ With GitLab Groups, you can:
 - Assemble related projects together.
 - Grant members access to several projects at once.
 
+For a video introduction to GitLab Groups, see [GitLab University: Repositories, Projects and Groups](https://www.youtube.com/watch?v=4TWfh1aKHHw).
+
 Groups can also be nested in [subgroups](subgroups/index.md).
 
 Find your groups by clicking **Groups > Your Groups** in the top navigation.

doc/user/profile/account/delete_account.md

@@ -23,7 +23,7 @@ Here's a list of things that will **not** be deleted:
 - Award emoji that the user created
 
 Instead of being deleted, these records will be moved to a system-wide
-"Ghost User", whose sole purpose is to act as a container for such records.
+user with the username "Ghost User", whose sole purpose is to act as a container for such records. Any commits made by a deleted user will still display the username of the original user.
 
 When a user is deleted from an [abuse report](../../admin_area/abuse_reports.md) or spam log, these associated
 records are not ghosted and will be removed, along with any groups the user