change link to deepspeed tutorial

Author: sdgilley

articles/machine-learning/how-to-train-distributed-gpu.md

@@ -63,7 +63,7 @@ Make sure your code follows these tips:
 * For the full notebook to run the above example, see [azureml-examples: Train a basic neural network with distributed MPI on the MNIST dataset using Horovod](https://github.com/Azure/azureml-examples/blob/main/sdk/python/jobs/single-step/tensorflow/mnist-distributed-horovod/tensorflow-mnist-distributed-horovod.ipynb)
 
 ### DeepSpeed
-[DeepSpeed](https://www.deepspeed.ai/) is supported as a first-class citizen within Azure Machine Learning to run distributed jobs with near linear scalabibility in terms of 
+[DeepSpeed](https://www.deepspeed.ai/tutorials/azure/) is supported as a first-class citizen within Azure Machine Learning to run distributed jobs with near linear scalabibility in terms of 
 
 * Increase in model size
 * Increase in number of GPUs