Merge pull request #795 from chengweiv5/fix-typo

Fix a typo and trailing space: adminsiter -> administer

mattermost.go

@@ -328,7 +328,7 @@ Usage:
                                         "" - The empty role is basic user
                                            permissions
                                         "admin" - Represents a team admin and
-                                           is used to help adminsiter one team.
+                                           is used to help administer one team.
                                         "system_admin" - Represents a system
                                            admin who has access to all teams
                                            and configuration settings.  This