fix notebook location

Author: shohei1029

articles/machine-learning/how-to-deploy-custom-container.md

@@ -58,7 +58,7 @@ git clone https://github.com/Azure/azureml-examples --depth 1
 cd azureml-examples/sdk
 ```
 
-See also [the example notebook](https://github.com/Azure/azureml-examples/blob/main/sdk/endpoints/online/custom-container/online-endpoints-custom-container.ipynb) but note that `3. Test locally` section in the notebook assumes to run under the `azureml-examples/sdk` directory.
+See also [the example notebook](https://github.com/Azure/azureml-examples/blob/main/sdk/python/endpoints/online/custom-container/online-endpoints-custom-container.ipynb) but note that `3. Test locally` section in the notebook assumes to run under the `azureml-examples/sdk` directory.
 
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