fix test checking for error message
diff --git a/Lib/runpy.py b/Lib/runpy.py
index 9fe431a..46e138e 100644
--- a/Lib/runpy.py
+++ b/Lib/runpy.py
@@ -147,7 +147,7 @@
         else:
             # For directories/zipfiles, let the user
             # know what the code was looking for
-            info = "can't find '__main__.py' in %r" % sys.argv[0]
+            info = "can't find '__main__' module in %r" % sys.argv[0]
         msg = "%s: %s" % (sys.executable, info)
         sys.exit(msg)
     pkg_name = mod_name.rpartition('.')[0]