1 files changed, 7 insertions, 5 deletions

diff --git a/gl/m4/builtin-expect.m4 b/gl/m4/builtin-expect.m4
index 531ed48a..76d32867 100644
--- a/gl/m4/builtin-expect.m4
+++ b/gl/m4/builtin-expect.m4
@@ -1,9 +1,12 @@
-dnl Check for __builtin_expect.
-
-dnl Copyright 2016-2023 Free Software Foundation, Inc.
+# builtin-expect.m4
+# serial 3
+dnl Copyright 2016-2025 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
+
+dnl Provide a GCC-compatible __builtin_expect macro in <config.h>.
 
 dnl Written by Paul Eggert.
 
@@ -45,5 +48,4 @@ AC_DEFUN([gl___BUILTIN_EXPECT],
 #elif HAVE___BUILTIN_EXPECT == 2
 # include <builtins.h>
 #endif
-    ])
-])
+])])