Add documentation for listing delegates it the group

Author: robguthrie

en/src/user_manual/groups/membership/list_delegates.png

@@ -60,7 +60,7 @@ You can have different titles in different subgroups.
 
 ## Delegated voters
 
-If some members of your group should have voting rights while others should not, you can use the "Make delegate" feature to identify those people with voting rights.
+If some members of your group should have voting rights while others should not, you can use the "Make delegate" feature to identify those people with voting rights. There is a corresponding "Revoke delegate" action too.
 ![the group memberships page showing the make delegate menu action](make_delegate.png)
 
 To create a poll or proposal and only invite the delegates, use the "Invited people only" poll setting.
@@ -69,6 +69,9 @@ To create a poll or proposal and only invite the delegates, use the "Invited peo
 Then when inviting people to vote you will see the "Delegates of group-name" option.
 ![The invtie people to vote dialog box, showing the 'Delegates of Oatmilk Co-op'](delegates_of_groupname.png)
 
+You can see a list of who the delegates are from the members tab of your group page. Use the filter menu and select "Delegates".
+![The group page, members tab, showing delegates by using the filter](list_delegates.png)
+
 
 ## Member email addresses
 

en/src/user_manual/groups/membership/management.md

@@ -68,7 +68,6 @@ You can also notify the everyone in the group, by typing **\@** then typing the
 
 When you click **reply** on a comment, the your reply will be prefilled with an @mention to the person you are replying to. In this way, a reply will notify the person you're replying to. If you remove the @mention, they will not be notified.
 
-
 ### Reactions
 
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