--- pyobjc-framework-Cocoa/Lib/Foundation/PyObjC.bridgesupport.orig	2009-06-23 15:35:32.000000000 -0700
+++ pyobjc-framework-Cocoa/Lib/Foundation/PyObjC.bridgesupport	2009-06-24 00:58:42.000000000 -0700
@@ -11237,7 +11237,7 @@
     </method>
     <method selector='stringByAppendingString:'>
       <retval type='@' />
-      <arg index='0' type='@' />
+      <arg index='0' printf_format='true' />
     </method>
     <method selector='stringByDeletingLastPathComponent'>
       <retval type='@' />