Address Acrolinx comments

Author: enricohuang

articles/communication-services/resources/troubleshooting/voice-video-calling/references/how-to-collect-client-logs.md

@@ -43,4 +43,4 @@ If that is the case, you have to set a limit on the log size.
 Not setting a limit might cause memory issues on long running calls.
 
 Additionally, if you send logs to a remote service, consider mechanisms such as compression and scheduling.
-If there's limited bandwidth, sending a large amount of log data in a short period of time can affect call quality.
+If the client has insufficient bandwidth, sending a large amount of log data in a short period of time can affect call quality.

articles/communication-services/resources/troubleshooting/voice-video-calling/references/ufd/network-relays-not-reachable.md

@@ -37,7 +37,7 @@ call.feature(Features.UserFacingDiagnostics).network.on('diagnosticChanged', (di
 ```
 ## How to mitigate or resolve
 Your application should subscribe to events from the User Facing Diagnostics.
-Display a message on your user interface to inform users of network quality issues.
+Display a message on your user interface and inform users of network setup issues.
 
 Users should follow the *Firewall Configuration* guideline mentioned in the [Network recommendations](../../../../../concepts/voice-video-calling/network-requirements.md) document. It's also recommended that the user also checks their Network address translation (NAT) settings or whether their firewall policy blocks User Datagram Protocol (UDP) packets.