diff --git a/IRC-guidelines.md b/IRC-guidelines.md
index a64b70c..1f32995 100644
--- a/IRC-guidelines.md
+++ b/IRC-guidelines.md
@@ -36,6 +36,8 @@ After you get the ``o`` flag (``/msg chanserv op #nim``), just use the following
 
 Keep in mind that this will mute all webchat users! It is useful when trolls are connecting via different IPs using the webchat though. You can also set exemptions on certain users who you know are safe: ``/mode #nim +e <username>``.
 
+**If you forgot what mask you banned/muted**: ``/mode q`` or ``/mode b``.
+
 ### Get in touch with Freenode staff
 
 Do highlight somebody from Freenode if the infamous troll is attacking our channel.