Update pre-call-diagnostics.md

Author: ddematheu2

articles/communication-services/concepts/voice-video-calling/pre-call-diagnostics.md

@@ -161,7 +161,7 @@ When the Pre-Call diagnostic test runs, behind the scenes it uses calling minute
 
 ## Next Steps
 
-- [Check your network condition with the diagnostics tool](../voice-video-calling/articles/network-diagnostic.md)
+- [Check your network condition with the diagnostics tool](../developer-tools/network-diagnostic.md)
 - [Explore User-Facing Diagnostic APIs](../voice-video-calling/user-facing-diagnostics.md)
 - [Enable Media Quality Statistics in your application](../voice-video-calling/media-quality-sdk.md)
 - [Consume call logs with Azure Monitor](../analytics/call-logs-azure-monitor.md)