Update network-security-perimeter-transition.md

Update incorrect link to NSP Portal creation.

Author: ljtill

articles/private-link/network-security-perimeter-transition.md

@@ -84,6 +84,6 @@ Both the `publicNetworkAccess` and `accessMode` properties can be set using the
 ## Next steps
 
 > [!div class="nextstepaction"]
-> [Create a network security perimeter in the Azure portal](./network-security-perimeter-diagnostic-logs.md)
+> [Create a network security perimeter in the Azure portal](./create-network-security-perimeter-portal.md)