diff --git a/Include/Python-ast.h b/Include/Python-ast.h
index 5d4147b..8b395a8 100644
--- a/Include/Python-ast.h
+++ b/Include/Python-ast.h
@@ -1,4 +1,4 @@
-/* File automatically generated by Parser/asdl_c.py */
+/* File automatically generated by Parser/asdl_c.py. */
 
 #include "asdl.h"