diff --git a/Lib/SimpleXMLRPCServer.py b/Lib/SimpleXMLRPCServer.py
index 0846a68..3b0a6a5 100644
--- a/Lib/SimpleXMLRPCServer.py
+++ b/Lib/SimpleXMLRPCServer.py
@@ -313,7 +313,7 @@
         Returns a string containing documentation for the specified method."""
 
         method = None
-        if self.funcs.has_key(method_name):
+        if method_name in self.funcs:
             method = self.funcs[method_name]
         elif self.instance is not None:
             # Instance can implement _methodHelp to return help for a method