staging-server.md

-For testing new features and before updates we have set up a staging server #196 with LE certificates.
+For testing new features and before rolling out updates we have set up a staging server #196 with LE certificates.
 
 ```
 IP `65.109.196.157`
@@ -24,4 +24,4 @@ in `/etc/jitsi/meet/brand/fairmeeting.net/fairmeeting.net-config.js`
   // Websocket URL
   websocket: 'wss://staging.fairmeeting.net/xmpp-websocket',
 ```
-same for pro - now committed to branch `staging` in `/etc/jitsi/meet` and branch `run` is fpr production.
+same for `pro` - now committed to branch `staging` in `/etc/jitsi/meet` and branch `run` is fpr production.