diff --git a/kendra_retriever_samples/README.md b/kendra_retriever_samples/README.md
index d12542e..33efd5c 100644
--- a/kendra_retriever_samples/README.md
+++ b/kendra_retriever_samples/README.md
@@ -45,6 +45,10 @@ export OPENAI_API_KEY="<YOUR-OPEN-AI-API-KEY>"
 export ANTHROPIC_API_KEY="<YOUR-ANTHROPIC-API-KEY>"
 ```
 
+**NOTE**: If you're using individual sample codes outside of the code structure in this repository, please make sure you have installed `boto3` (by running `pip install boto3` or use the `*requirements.txt*` file ) in your python runtime or **AmazonKendaraRetriver** will not work with the langchain Retrieve Interfaces.
+
+
+
 ### Running samples from the streamlit app
 The samples directory is bundled with an `app.py` file that can be run as a web app using streamlit.