diff --git a/cookbook/pocketflow-rag/README.md b/cookbook/pocketflow-rag/README.md
index 4b84cbe..b809596 100644
--- a/cookbook/pocketflow-rag/README.md
+++ b/cookbook/pocketflow-rag/README.md
@@ -1,6 +1,7 @@
 # Retrieval Augmented Generation (RAG)
 
-This project demonstrates a simplified RAG system that retrieves relevant documents based on user queries and generates answers using an LLM.
+This project demonstrates a simplified RAG system that retrieves relevant documents based on user queries and generates answers using an LLM. This implementation is based directly on the tutorial: [Retrieval Augmented Generation (RAG) from Scratch — Tutorial For Dummies](https://zacharyhuang.substack.com/p/retrieval-augmented-generation-rag).
+
 
 ## Features
 
@@ -69,4 +70,4 @@ Here's what each part does:
 
 🤖 Generated Answer:
 To install PocketFlow, use the command `pip install pocketflow` or simply copy its 100 lines of source code.
-```
\ No newline at end of file
+```