diff --git a/lib/class.js b/lib/class.js
index a562345..8c51910 100644
--- a/lib/class.js
+++ b/lib/class.js
@@ -264,8 +264,8 @@ function createNamedClass( name, def )
     if ( arguments.length > 2 )
     {
         throw Error(
-            "Expecting two arguments for definition of named Class '" + name +
-                "'; " + arguments.length + " given."
+            "Expecting at most two arguments for definition of named Class '" +
+                name + "'; " + arguments.length + " given."
         );
     }