Adress review comments

Author: enricohuang

articles/communication-services/resources/troubleshooting/voice-video-calling/video-issues/overview.md

@@ -21,7 +21,7 @@ Therefore, understanding how video content flow from the sender to the receiver
 
 ## How a video call works from an end-to-end perspective
 
-:::image type="content" source="./media/video-stream-flow.png" alt-text="The end-to-end flow of video stream data":::
+:::image type="content" source="./media/video-stream-flow.png" alt-text="Diagram of the end-to-end flow of video stream data":::
 
 Here we use an Azure Communication Services group call as an example.
 

articles/communication-services/resources/troubleshooting/voice-video-calling/video-issues/subscribing-a-video-not-available.md renamed to articles/communication-services/resources/troubleshooting/voice-video-calling/video-issues/subscribing-video-not-available.md

@@ -1072,7 +1072,7 @@ items:
           - name: The user can not see video from the remote participant
             items:
             - name: Subscribing to a video that is unavailable
-              href: resources/troubleshooting/voice-video-calling/video-issues/subscribing-a-video-not-available.md
+              href: resources/troubleshooting/voice-video-calling/video-issues/subscribing-video-not-available.md
             - name: The remote video becomes unavailable while subscribing the video
               href: resources/troubleshooting/voice-video-calling/video-issues/remote-video-becomes-unavailable.md
             - name: The application disposes the video renderer while subscribing the video