Update README.md

README.md

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 # GPTWorld - Prompt Golf
 
+<a href="https://colab.research.google.com/github/srush/GPTWorld-Challenge/blob/main/GPT4_game.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab\"/></a>
+
 GPTWorld is an educational environment to learn about Prompting.
-It consists of a grid-world environment to test the ability of language models to follow somewhat complex instructions in a grounded environment. 
+It consists of a grid-world environment to test the ability of language models to follow instructions in a grounded environment. 
 
 ![download (1)](https://user-images.githubusercontent.com/35882/234447369-6a4ca94d-5bb8-4c8e-a34d-a1ff0614bf7d.gif)
 
-The puzzle is done in a Colab. 
+The goal of the puzzle is to construct a prompt that can get GPT-4 to solve a complex game. 
+
 
 
-<img width=200px src="https://user-images.githubusercontent.com/35882/234614176-789fd6a8-bc7c-4f42-889b-81b3879cca36.png"/>
+<img width=500px src="https://user-images.githubusercontent.com/35882/234614176-789fd6a8-bc7c-4f42-889b-81b3879cca36.png"/>