Made the success message from unidentify more useful.

src/User.py

@@ -359,7 +359,11 @@ class User(callbacks.Privmsg):
             return
         user.unsetAuth()
         ircdb.users.setUser(id, user)
-        irc.replySuccess()
+        irc.replySuccess('If you remain recognized after giving this command,'
+                         ' you\'re being recognized by hostmask, rather than '
+                         'by password.  You must remove whatever hostmask is '
+                         'causing you to be recognized in order not to be '
+                         'recognized.')
 
     def whoami(self, irc, msg, args):
         """takes no arguments