diff --git a/Include/Python.h b/Include/Python.h
index d3fce4b..934997f 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -117,6 +117,7 @@
 
 #include "abstract.h"
 
+/* PyArg_GetInt is deprecated and should not be used, use PyArg_Parse(). */
 #define PyArg_GetInt(v, a)	PyArg_Parse((v), "i", (a))
 
 /* PyArg_NoArgs should not be necessary.