1 files changed, 2 insertions, 2 deletions
diff --git a/m4/acl.m4 b/m4/acl.m4
index dc9853a156..c2f3e2c995 100644
--- a/m4/acl.m4
+++ b/m4/acl.m4
@@ -1,5 +1,5 @@
 # acl.m4 - check for access control list (ACL) primitives
-# serial 27
+# serial 28
 
 # Copyright (C) 2002, 2004-2023 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
@@ -12,7 +12,7 @@ AC_DEFUN([gl_FUNC_ACL_ARG],
 [
   gl_need_lib_has_acl=
   AC_ARG_ENABLE([acl],
-    AS_HELP_STRING([--disable-acl], [do not support ACLs]),
+    AS_HELP_STRING([[--disable-acl]], [do not support ACLs]),
     , [enable_acl=auto])
 ])