Update README.md

README.md

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 Build real-world AI apps with ChatGPT/GPT-4 and LangChain in Python
 
 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/curiousily/Get-Things-Done-with-Prompt-Engineering-and-LangChain/)
-[![](https://img.shields.io/github/license/curiousily/Get-Things-Done-with-Prompt-Engineering)](https://github.com/curiousily/Get-Things-Done-with-Prompt-Engineering/blob/master/LICENSE)
+[![](https://img.shields.io/github/license/curiousily/Get-Things-Done-with-Prompt-Engineering-and-LangChain)](https://github.com/curiousily/Get-Things-Done-with-Prompt-Engineering-and-LangChain/blob/master/LICENSE)
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 [![](https://dcbadge.vercel.app/api/server/UaNPxVD6tv?compact=true&style=flat)](https://discord.gg/UaNPxVD6tv)
 
@@ -12,3 +12,4 @@ Build real-world AI apps with ChatGPT/GPT-4 and LangChain in Python
 - [LangChain Quickstart](https://www.mlexpert.io/prompt-engineering/langchain-quickstart)
 - [Load Custom Data with Loaders](https://www.mlexpert.io/prompt-engineering/loaders)
 - [Add AI with Models](https://www.mlexpert.io/prompt-engineering/models)
+- [Make LLMs Useful with Chains](https://www.mlexpert.io/prompt-engineering/chains)