Added 'format=simple' on JSON API

README.md

@@ -298,6 +298,7 @@ To perform a restart after an API change use the following command:
     * 'ERROR'
     * 'DISABLED'
   * `reg_auth=https://reg.auth.example.org` (select a specific Registration Authority)
+  * `format=simple` (retrieve results in a simple format)
 * `/api/fedstats`
 * `/api/fedstats?reg_auth=https://reg.auth.example.org`: