Update articles/managed-instance-apache-cassandra/network-rules.md

Author: v-regandowner

articles/managed-instance-apache-cassandra/network-rules.md

@@ -40,7 +40,7 @@ If you're using Azure Firewall to restrict outbound access, we highly recommend
 
 ## User-defined routes
 
-If you're using a 3rd party Firewall to restrict outbound access, we highly recommend configuring [user-defined routes (UDRs)](../virtual-network/virtual-networks-udr-overview.md#user-defined) for Microsoft address prefixes, rather than attempting to allow connectivity through your own Firewall. See sample [bash script](https://github.com/Azure-Samples/cassandra-managed-instance-tools/blob/main/configureUDR.sh) to add the required address prefixes in user-defined routes.
+If you're using a third-party Firewall to restrict outbound access, we highly recommend configuring [user-defined routes (UDRs)](../virtual-network/virtual-networks-udr-overview.md#user-defined) for Microsoft address prefixes, rather than attempting to allow connectivity through your own Firewall. See sample [bash script](https://github.com/Azure-Samples/cassandra-managed-instance-tools/blob/main/configureUDR.sh) to add the required address prefixes in user-defined routes.
 
 ## Azure Global required network rules