The identify() description didn't match the code. Fixed.
diff --git a/Lib/plat-mac/gensuitemodule.py b/Lib/plat-mac/gensuitemodule.py
index d7206ff..a5a994c 100644
--- a/Lib/plat-mac/gensuitemodule.py
+++ b/Lib/plat-mac/gensuitemodule.py
@@ -1177,7 +1177,7 @@
     """Turn any string into an identifier:
     - replace space by _
     - replace other illegal chars by _xx_ (hex code)
-    - prepend _ if the result is a python keyword
+    - append _ if the result is a python keyword
     """
     if not str:
         return "empty_ae_name_"