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

Co-authored-by: Ken Downie <[email protected]>

Author: rladbsal

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

@@ -183,7 +183,7 @@ This error occurs when the required version of the .NET Framework is missing on
 
 To resolve the issue:
 1. Downland and install .NET Framework 4.7.2. or higher
-2. Restart the server after installation
+2. Restart the server after installation.
 3. Retry the server registration using the Server Registration UI or PowerShell