[devhelp] main: document the argument in the search-related options

[Aleksander Morgado <aleksm src gnome org>]

commit 6bf1214c9961aa129fc77bebba699dcfba908fca
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Tue Jun 12 12:54:59 2012 +0200

    main: document the argument in the search-related options

 src/dh-main.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/dh-main.c b/src/dh-main.c
index 4b9c5c7..d9fdedc 100644
--- a/src/dh-main.c
+++ b/src/dh-main.c
@@ -52,7 +52,7 @@ static GOptionEntry options[] = {
         { "search", 's',
           0, G_OPTION_ARG_STRING, &option_search,
           N_("Search for a keyword"),
-          NULL
+          N_("KEYWORD")
         },
         { "quit", 'q',
           0, G_OPTION_ARG_NONE, &option_quit,
@@ -72,7 +72,7 @@ static GOptionEntry options[] = {
         { "search-assistant", 'a',
           0, G_OPTION_ARG_STRING, &option_search_assistant,
           N_("Search and display any hit in the assistant window"),
-          NULL
+          N_("KEYWORD")
         },
         { NULL }
 };