Updated note to warning

Author: kirit93

README.rst

@@ -10,6 +10,13 @@ SageMaker Experiments Python SDK
 .. warning::
     Use the SageMaker `SDK <https://sagemaker.readthedocs.io/en/v2.125.0/experiments/sagemaker.experiments.html>`_ to use SageMaker Experiments. This repository will not be up to date with the latest product improvements. Link to `developer guide <https://docs.aws.amazon.com/sagemaker/latest/dg/experiments.html>`_. 
 
+.. warning::
+    This is warning text. Use a warning for information the user must
+    understand to avoid negative consequences.
+
+    Warnings are formatted in the same way as notes. In the same way,
+    lines must be broken and indented under the warning tag.
+
 .. image:: https://img.shields.io/pypi/v/sagemaker-experiments.svg
     :target: https://pypi.python.org/pypi/sagemaker-experiments
     :alt: Latest Version