Update README.md

Author: techleadhd

README.md

@@ -1,20 +1,21 @@
 # chatgpt-retrieval
 
-Run ChatGPT on your own files.
-Video summary: https://youtu.be/9AXP7tCI9PI
+Simple script to use ChatGPT on your own files.
 
-**Installation**
+Here's the [YouTube Video](https://youtu.be/9AXP7tCI9PI).
 
-Install Langchain https://github.com/hwchase17/langchain.
+## Installation
+
+Install [Langchain](https://github.com/hwchase17/langchain).
 ```
 pip install langchain
 pip install openai
 ```
-Modify `constants.py` to use your own OpenAI API key. https://platform.openai.com/account/api-keys.
+Modify `constants.py` to use your own [OpenAI API key](https://platform.openai.com/account/api-keys).
 
-Place your own data into "data.txt".
+Place your own data into `data.txt`.
 
-**Example usage:**
+## Example usage
 ```
 > python chatgpt.py "what is my dog's name"
 Your dog's name is Sunny.