Update info.xml

add a note about needing to be in a team to assign it a team folder

Signed-off-by: Jos Poortvliet <me@jospoortvliet.com>

appinfo/info.xml

@@ -12,6 +12,7 @@
 Folders can be configured from *Team folders* in the admin settings.
 
 After a folder is created, the admin can give access to the folder to one or more teams, control their write/sharing permissions and assign a quota for the folder.
+As of Hub 10/Nextcloud 31, the admin needs to be a part of the team to be able to assign it a Teamfolder.
 ]]></description>
 	<version>20.0.0-dev.0</version>
 	<licence>agpl</licence>