add note about data not containing transcripts

README.md

@@ -14,4 +14,9 @@ Run the app
 streamlit run app.py
 ```
 
-Note: This app can also be run as a Docker container. See [Dockerfile](Dockerfile).
+Note: This app can also be run as a Docker container. See [Dockerfile](Dockerfile).
+
+## Data
+
+Only derived statistics are included in this repository. If you would like access to the original raw transcripts, please consider purchasing a membership
+with [cijapanese.com](https://cijapanese.com/).