remove double backtick on scribe.php (#736)

config/scribe.php

@@ -18,7 +18,7 @@ return [
 
     /*
      * The base URL displayed in the docs. If this is empty, Scribe will use the value of config('app.url') at generation time.
-     * If you're using `laravel`` type, you can set this to a dynamic string, like '{{ config("app.tenant_url") }}' to get a dynamic base URL.
+     * If you're using `laravel` type, you can set this to a dynamic string, like '{{ config("app.tenant_url") }}' to get a dynamic base URL.
      */
     'base_url' => null,