diff --git a/panel/io/server.py b/panel/io/server.py
index 6165b9f4dc..1aadb42285 100644
--- a/panel/io/server.py
+++ b/panel/io/server.py
@@ -703,7 +703,7 @@ def serve(
 
     Arguments
     ---------
-    panel: Viewable, function or {str: Viewable or function}
+    panels: Viewable, function or {str: Viewable or function}
       A Panel object, a function returning a Panel object or a
       dictionary mapping from the URL slug to either.
     port: int (optional, default=0)