diff --git a/ChangeLog b/ChangeLog
index 2fc21f9be..2a7e8d995 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-21  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub-mkrescue.c: Rephrase mkrescue description.
+
 2013-12-21  Vladimir Serbinenko  <phcoder@gmail.com>
 2013-12-21  Colin Watson  <cjwatson@ubuntu.com>
 
diff --git a/util/grub-mkrescue.c b/util/grub-mkrescue.c
index 44d1f6638..8517a1e0e 100644
--- a/util/grub-mkrescue.c
+++ b/util/grub-mkrescue.c
@@ -212,7 +212,9 @@ struct argp argp = {
   options, argp_parser, N_("[OPTION] SOURCE..."),
   /* TRANSLATORS: it generates one single image which is bootable through any method. */
   N_("Make GRUB CD-ROM, disk, pendrive and floppy bootable image.")"\v"
-  N_("Generates a bootable CD/USB stick/floppy image with specified source files, source directories, or mkisofs options listed by the output of `%s'.\n\n"
+  N_("Generates a bootable CD/USB/floppy image.  Arguments other than options to this program"
+     " are passed to xorriso, and indicate source files, source directories, or any of the "
+     "mkisofs options listed by the output of `%s'.\n\n"
      "Option -- switches to native xorriso command mode.\n\n"
      "Mail xorriso support requests to <bug-xorriso@gnu.org>."), 
   NULL, help_filter, NULL