diff --git a/plugins/history.py b/plugins/history.py
index 98b8f121..9deda9cc 100644
--- a/plugins/history.py
+++ b/plugins/history.py
@@ -60,7 +60,7 @@ def resethistory(inp, input=None, conn=None):
 
 @hook.command
 def seen(inp, nick='', chan='', db=None, input=None, conn=None):
-    """seen <nick> <channel> -- Tell when a nickname was last in active in one of this bot's channels."""
+    """seen <nick> [channel] -- Tell when a nickname was last in active in one of this bot's channels."""
 
     if input.conn.nick.lower() == inp.lower():
         return "You need to get your eyes checked."