Update network-test-app/README.md

Co-authored-by: Steven Whitehead <30630257+stevenwhitehead@users.noreply.github.com>

network-test-app/README.md

@@ -13,7 +13,7 @@ This sample includes a `build` script which will build the container image and p
 
 This app works by attempting to connect your Code Engine project to another IBM Cloud service; in order to do this properly, it must consume service credentials that should be configured by creating a `service binding` between the customer's project and the service they wish to connect to.
 
-For more information about how to create a service binding, see [Adding services by using IBM Cloud service binding](https://cloud.ibm.com/docs/containers?topic=containers-service-binding).
+For more information about how to create a service binding, see [Working with service bindings to integrate IBM Cloud services with Code Engine](https://cloud.ibm.com/docs/codeengine?topic=codeengine-service-binding).
 
 ### Example: Databases for PostgreSQL
 If the app is attempting to connect to a postgres instance, then after creating a service binding for the instance the app will contain the credentials for the  postgres instance in the form of an environment variable `DATABASES_FOR_POSTGRESQL_CONNECTION`.