fixup! feat(usermanual): Mail account delegation

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Author: ChristophWurst

user_manual/groupware/mail.rst

@@ -56,7 +56,7 @@ Account delegation
 The app allows account delegation so that one user can send emails from the address of another.
 
 1) The delegation has to be configured on the mail server by an admin
-2) Add the other account as alias of your own
+2) Add the other email address as an alias for your own email account
 3) When sending an email, select the alias as sender
 
 .. warning:: The sent email might not be visible to the original account if it's stored in your personal *Sent* mailbox.