Fixing next steps link

Author: limwainstein

articles/defender-for-iot/organizations/architecture.md

@@ -104,4 +104,4 @@ Defender for IoT provides hybrid network support using the following management
 ## Next steps
 
 > [!div class="step-by-step"]
-> [Understand your network architecture »](architecture.md)
+> [Understand your network architecture »](best-practices/understand-network-architecture.md)