Update README.md

Author: faizancodes

README.md

@@ -1,5 +1,5 @@
 # Codebase RAG
 
-## Get started on Google Colab [here](https://colab.research.google.com/github/team-headstart/codebase-rag-v2/blob/main/Codebase_RAG_Tutorial.ipynb)
+## View the completed code on Google Colab [here](https://colab.research.google.com/github/team-headstart/codebase-rag-v2/blob/main/Codebase_RAG_Completed_Code.ipynb)
 
 ![Screenshot 2024-11-25 at 7 12 58 PM](https://github.com/user-attachments/assets/48dd9de1-b4d2-4318-8f52-85ec209d8ebc)