diff --git a/gcc/config/i386/constraints.md b/gcc/config/i386/constraints.md
index ec70465b072..cbee31fa40a 100644
--- a/gcc/config/i386/constraints.md
+++ b/gcc/config/i386/constraints.md
@@ -19,7 +19,7 @@
 
 ;;; Unused letters:
 ;;;           H
-;;;           j               z
+;;;                             z
 
 ;; Integer register constraints.
 ;; It is not necessary to define 'r' here.