Update support/azure/azure-storage/files/file-sync/file-sync-troubleshoot.md

Co-authored-by: Ken Downie <60940530+khdownie@users.noreply.github.com>

Author: rladbsal

support/azure/azure-storage/files/file-sync/file-sync-troubleshoot.md

@@ -136,7 +136,7 @@ Test-StorageSyncNetworkConnectivity
 If network connectivity issues are reported, you can manually update the agent by downloading it from the [Microsoft Update Catalog](https://catalog.update.microsoft.com/Search.aspx?q=azure%20file%20sync).
 After downloading the appropriate agent version, refer to the specific **Knowledge Base** article listed in the catalog for step-by-step installation instructions.
 
-If connectivity issues are not found and the `AgentExpirationDate` is still not set, contact Azure File Sync support for further assistance.
+If connectivity issues aren't found and the `AgentExpirationDate` is still not set, contact Azure File Sync support for further assistance.
 
 ## High memory usage on the server