Update README.md

Author: hning86

how-to-use-azureml/training/README.md

@@ -2,7 +2,7 @@
 
 Follow these sample notebooks to learn:
 
-1. [Train within notebook](): train a simple scikit-learn model using the Jupyter kernel and deploy the model to Azure Container Service.
+1. [Train within notebook](train-withint-notebook): train a simple scikit-learn model using the Jupyter kernel and deploy the model to Azure Container Service.
 2. [Train on local](train-on-local): train a model using local computer as compute target.
-3. [Train on remove VM](train-remote_vm): train a model using a remote Azure VM as compute target.
+3. [Train on remove VM](train-on-remote-vm): train a model using a remote Azure VM as compute target.
 4. [Logging API](logging-api): experiment with various logging functions to create runs and automatically generate graphs.