diff --git a/plugin.py b/plugin.py
index 0b70f4f..cf19a7c 100644
--- a/plugin.py
+++ b/plugin.py
@@ -91,7 +91,7 @@ class DoseLogs(callbacks.Plugin):
         self.__parent.die()
 
     def set(self, irc, msg, args, timezone):
-        """<timezone>
+        """<IANA-timezone>
 
         Sets location for your current nick to <timezone>
         for eg. America/Chicago