Update README.md

Author: zachary62

cookbook/pocketflow-chat-memory/README.md

@@ -1,6 +1,8 @@
 # PocketFlow Chat with Memory
 
-A chat application with memory retrieval using PocketFlow. This example maintains a sliding window of recent conversations while retrieving relevant past conversations based on context. This implementation is based directly on the tutorial: [Build AI Agent Memory From Scratch — Tutorial For Dummies](https://zacharyhuang.substack.com/p/build-ai-agent-memory-from-scratch).
+A chat application with memory retrieval using PocketFlow. This example maintains a sliding window of recent conversations while retrieving relevant past conversations based on context. 
+
+This implementation is based directly on the tutorial: [Build AI Agent Memory From Scratch — Tutorial For Dummies](https://zacharyhuang.substack.com/p/build-ai-agent-memory-from-scratch).
 
 ## Features