Update README.md

Author: harmindersinghnijjar

README.md

@@ -4,4 +4,7 @@ As seen on [LinkedIn](https://www.linkedin.com/posts/harmindersinghnijjar_sikhis
 
 An open-source Python program to automate generating images using the Midjourney bot on Discord. The program uses Selenium and OpenAI’s GPT-3 to generate image prompts and then downloads the bot-generated image.
 
+It then generates captions and hashtags using OpenAI's API for the images before uploading them onto Instagram.
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