diff --git a/README.md b/README.md
index 2b97205..a9d30cd 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,8 @@ collections:
 
 See [Ansible Using collections](https://docs.ansible.com/ansible/latest/user_guide/collections_using.html) for more details.
 
+**NOTE**: For Ansible 2.9, you may not see deprecation warnings when you run your playbooks with this collection. Use this documentation to track when a module is deprecated.
+
 ## Contributing to this collection
 
 <!--Describe how the community can contribute to your collection. At a minimum, include how and where users can create issues to report problems or request features for this collection.  List contribution requirements, including preferred workflows and necessary testing, so you can benefit from community PRs. If you are following general Ansible contributor guidelines, you can link to - [Ansible Community Guide](https://docs.ansible.com/ansible/latest/community/index.html). -->