Merge pull request #3367 from rbohl/user-sys-mgmt-reviews

change example for user groups

discover/portal/articles/190-managing-users/03-user-groups/00-intro.markdown

@@ -1,10 +1,12 @@
 # User Groups [](id=user-groups)
 
 A user group is a list of users created for a specific purpose. User groups can
-also be created across the hierarchical boundaries of
-[organizations](/discover/portal/-/knowledge_base/7-1/organizations). For
-example, an administrator could create a user group for managing a Site's
-message boards and assign users from several organizations to that user group.
+be created across the hierarchical boundaries of
+[organizations](/discover/portal/-/knowledge_base/7-1/organizations). 
+For example, an administrator could create a Teachers user group for adding all
+members to multiple Sites, assign them all to a
+[Regular Role](/discover/portal/-/knowledge_base/7-1/roles-and-permissions), 
+and create a common set of profiles pages for all teachers in the User group.
 User groups are integrated with Roles, Sites, Site Templates, and permissions.
 This flexibility means that there are many different use cases for user groups.
 The articles in this section show you how to work with user groups to serve the