diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h
index aef4fb7c33..2380821600 100644
--- a/src/include/nodes/parsenodes.h
+++ b/src/include/nodes/parsenodes.h
@@ -2277,7 +2277,7 @@ typedef struct AlterTableCmd	/* one subcommand of an ALTER TABLE */
 	NodeTag		type;
 	AlterTableType subtype;		/* Type of table alteration to apply */
 	char	   *name;			/* column, constraint, or trigger to act on,
-								 * or tablespace */
+								 * or tablespace, access method */
 	int16		num;			/* attribute number for columns referenced by
 								 * number */
 	RoleSpec   *newowner;