diff --git a/gio/glib-compile-resources.c b/gio/glib-compile-resources.c
index 2ce923766..36f64a491 100644
--- a/gio/glib-compile-resources.c
+++ b/gio/glib-compile-resources.c
@@ -830,8 +830,8 @@ main (int argc, char **argv)
     { "manual-register", 0, 0, G_OPTION_ARG_NONE, &manual_register, N_("Don’t automatically create and register resource"), NULL },
     { "internal", 0, 0, G_OPTION_ARG_NONE, &internal, N_("Don’t export functions; declare them G_GNUC_INTERNAL"), NULL },
     { "external-data", 0, 0, G_OPTION_ARG_NONE, &external_data, N_("Don’t embed resource data in the C file; assume it's linked externally instead"), NULL },
-    { "c-name", 0, 0, G_OPTION_ARG_STRING, &c_name, N_("C identifier name used for the generated source code"), NULL },
-    { "compiler", 'C', 0, G_OPTION_ARG_STRING, &compiler, N_("The target C compiler (default: the CC environment variable)"), NULL },
+    { "c-name", 0, 0, G_OPTION_ARG_STRING, &c_name, N_("C identifier name used for the generated source code"), N_("IDENTIFIER") },
+    { "compiler", 'C', 0, G_OPTION_ARG_STRING, &compiler, N_("The target C compiler (default: the CC environment variable)"), N_("COMMAND") },
     G_OPTION_ENTRY_NULL
   };