Update README.md

README.md

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-# 🏊 AI Swim Coach
+---
+title: AI Swim Coach
+emoji: 🏊
+colorFrom: indigo
+colorTo: blue
+sdk: gradio
+sdk_version: "4.16.0"
+app_file: app.py
+pinned: false
+---
 
-Upload a swimming video, choose the stroke, distance, and lane — get GPT-3.5 feedback to improve technique!
+Upload a swimming video, select stroke, distance, and lane — and receive GPT-3.5-powered feedback from an AI swim coach trained to analyze your technique.
 
-Built by Virat 🚀
+🏆 Built by Virat 🚀  
+💬 Powered by OpenAI  
+🎥 Uses OpenCV to extract key video frames