diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 8c3e8a4..3f05bf7 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -119,7 +119,7 @@
 /* Global nul-content Null pool.  Enlarge as necessary. */
 static const void *_NullPool[32 / sizeof (void *)];
 
-/* Generic template for nul-content sizeof-sized Null objects. */
+/* Generic nul-content Null objects. */
 template <typename Type>
 static inline const Type& Null () {
   ASSERT_STATIC (Type::min_size <= sizeof (_NullPool));