diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c
index b4f2d0f35a..c13c08a97b 100644
--- a/src/backend/utils/cache/lsyscache.c
+++ b/src/backend/utils/cache/lsyscache.c
@@ -1055,7 +1055,7 @@ get_opclass_input_type(Oid opclass)
 }
 
 /*
- * get_opclass_family_and_input_type
+ * get_opclass_opfamily_and_input_type
  *
  *		Returns the OID of the operator family the opclass belongs to,
  *				the OID of the datatype the opclass indexes