diff --git a/Include/methodobject.h b/Include/methodobject.h
index e47ebea..21dcdda 100644
--- a/Include/methodobject.h
+++ b/Include/methodobject.h
@@ -46,10 +46,16 @@
 #define METH_OLDARGS  0x0000
 #define METH_VARARGS  0x0001
 #define METH_KEYWORDS 0x0002
-/* METH_NOARGS and METH_O must not be combined with any other flag. */
+/* METH_NOARGS and METH_O must not be combined with the flags above. */
 #define METH_NOARGS   0x0004
 #define METH_O        0x0008
 
+/* METH_CLASS and METH_STATIC are a little different; these control
+   the construction of methods for a class.  These cannot be used for
+   functions in modules. */
+#define METH_CLASS    0x0010
+#define METH_STATIC   0x0020
+
 typedef struct PyMethodChain {
     PyMethodDef *methods;		/* Methods of this type */
     struct PyMethodChain *link;	/* NULL or base type */