Added missing formatting in README

README.org

@@ -62,10 +62,13 @@
 
 ** Synchronization of rooms from KIND to NAV
 
-   usage: nettinst2room [--debug]
+#+BEGIN_EXAMPLE
+    usage: nettinst2room [--debug]
                        [--api-url API_URL] [--api-token API_TOKEN]
                        [--room <roomname>]
 
+#+END_EXAMPLE
+
 Syncs room data from KIND to NAV. Takes an optional argument ~--room~
 if only a specific room is to be synced. Default operation is to sync
 all rooms returned by the API at https://kind.uninett.no/api/nettinstallasjoner.json