Update README.md

Author: adamgraham

README.md

@@ -4,6 +4,6 @@
 
 - **Difficulty**: Intermediate
 - **Topics**: Sprites, Collision, Coroutines
-- **Version**: Unity 2019.4
+- **Version**: Unity 2019.4 LTS
 - [**Download**](https://github.com/zigurous/unity-frogger-tutorial/archive/refs/heads/main.zip)
 - [**Watch Video**](https://www.youtube.com/c/zigurous)