Fix the tag in the SageMaker notebook link

README.md

@@ -155,7 +155,7 @@ payload = {
 forecast = predictor.predict(payload)["predictions"]
 ```
 
-For more details about the endpoint API, check out the [example notebook](https://github.com/amazon-science/chronos-forecasting/blob/2.2.2/notebooks/deploy-chronos-to-amazon-sagemaker.ipynb).
+For more details about the endpoint API, check out the [example notebook](https://github.com/amazon-science/chronos-forecasting/blob/v2.2.2/notebooks/deploy-chronos-to-amazon-sagemaker.ipynb).
 
 
 ## Training data