lib/github: define better `tool_description` for loader

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/lib/github/loader.nit b/lib/github/loader.nit
index fb74f12..b2ec70d 100644 (file)
--- a/lib/github/loader.nit
+++ b/lib/github/loader.nit
@@ -78,7 +78,7 @@ class LoaderConfig
 
        init do
                super
-               tool_description = "Usage: loader <repo_name>"
+               tool_description = "Usage: loader <repo_name>\nLoad a GitHub repo into a MongoDb."
                add_option(opt_db_host, opt_db_name)
                add_option(opt_tokens, opt_show_wallet)
                add_option(opt_verbose, opt_no_colors)