updating readmes

Author: jeroenterheerdt

samples/features/sql-big-data-cluster/app-deploy/addpy/README.md

@@ -73,7 +73,7 @@ To run this sample, you need the following prerequisites.
       "success": true
     }
     ```
-6. Any app you create is also accessible using a RESTful web service that is [Swagger](swagger.io) compliant. You can get the endpoint for the web service by running:
+6. <a name=restapi></a>Any app you create is also accessible using a RESTful web service that is [Swagger](swagger.io) compliant. You can get the endpoint for the web service by running:
    ```bash
    mssqlctl app describe --name addpy --version [version]
    ```

samples/features/sql-big-data-cluster/app-deploy/magic8ball/README.md

@@ -77,7 +77,7 @@ To run this sample, you need the following prerequisites.
     # delete app
     mssqlctl app delete --name magic8ball --version [version]
     ```
-    Note that any app you create is also accessible using a RESTful web service that is [Swagger](swagger.io) compliant. See step 6 in the [Addpy sample](../addpy/) for detailed instructions on how to call the web service.
+    Note that any app you create is also accessible using a RESTful web service that is [Swagger](swagger.io) compliant. See step 6 in the [Addpy sample](../addpy/README.md#restapi) for detailed instructions on how to call the web service.
 
 <a name=sample-details></a>