Adding better description

Author: get-itips

skype/skype-ps/skype/New-CsTeamsMessagingPolicy.md

@@ -276,6 +276,8 @@ Accept wildcard characters: False
 ```
 
 ### -ChannelsInChatListEnabledType
+On mobile devices, enable to display favorite channels above recent chats.
+
 Possible values are: DisabledUserOverride,EnabledUserOverride.
 
 ```yaml