Fixed typo in readme exercise-started template (#24)

Fixed typo in README content

Author: gclhub

markdown-templates/readme/exercise-started.md

@@ -6,7 +6,7 @@ Hey **{{ login }}**!
 
 Mona here. I'm done preparing your exercise. Hope you enjoy! 💚
 
-Remember, it's self-paced so feel fee to take a break! ☕️
+Remember, it's self-paced so feel free to take a break! ☕️
 
 [![](https://img.shields.io/badge/Go%20to%20Exercise-%E2%86%92-1f883d?style=for-the-badge&logo=github&labelColor=197935)]({{{ issue_url }}})