diff --git a/src/appimagetool.c b/src/appimagetool.c
index 3033dcb..0868997 100644
--- a/src/appimagetool.c
+++ b/src/appimagetool.c
@@ -517,7 +517,7 @@ static GOptionEntry entries[] =
     { "version", 0, 0, G_OPTION_ARG_NONE, &showVersionOnly, "Show version number", NULL },
     { "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "Produce verbose output", NULL },
     { "sign", 's', 0, G_OPTION_ARG_NONE, &sign, "Sign with gpg[2]", NULL },
-    { "comp", 0, 0, G_OPTION_ARG_STRING, &sqfs_comp, "Squashfs compression (default: zstd", NULL },
+    { "comp", 0, 0, G_OPTION_ARG_STRING, &sqfs_comp, "Squashfs compression (default: zstd)", NULL },
     { "mksquashfs-opt", 0, 0, G_OPTION_ARG_STRING_ARRAY, &sqfs_opts, "Argument to pass through to mksquashfs; can be specified multiple times", NULL },
     { "no-appstream", 'n', 0, G_OPTION_ARG_NONE, &no_appstream, "Do not check AppStream metadata", NULL },
     { "exclude-file", 0, 0, G_OPTION_ARG_STRING, &exclude_file, _exclude_file_desc, NULL },