Update README.md

README.md

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-# retroarch-system-favorites
-Add games from Retroarch's favorite list to relevant systems and * them so they're on top of the list
+# Retroarch System Favorites
+
+This script will copy your Retroarch favorites to the relevant system playlist, append a * so they're first to show, and remove the old playlist game entry in both favorites and the system playlist to reduce redundancy. Retroarch doesn't support special characters like ⭐ so we'll have to make due with appending an asterisk for now.  
+
+
+![retroarch-system-favorites](https://github.com/new-penguin/retroarch-system-favorites/assets/139792946/a42c8da8-1a33-42c0-9ac1-3a0af1931ebd)