diff --git a/gcc/tree.c b/gcc/tree.c
index a2994e5b36ab..3e420b2547f3 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -4995,7 +4995,7 @@ tree_check3_failed (const tree node, enum tree_code code1,
 		  function, trim_filename (file), line);
 }
 
-/* ... and for four different codes.  */
+/* ... and for five different codes.  */
 
 void
 tree_check5_failed (const tree node, enum tree_code code1,