Update README.md

Author: naheel0

README.md

@@ -6,7 +6,7 @@ Welcome to the ReactSphere Weekly Challenges!
 1. Fork this repository.
 2. Create a branch for your solution (e.g., `week-1-solution`).
 3. Submit a Pull Request with your solution.
-4. Points are tracked on the [Leaderboard](../LEADERBOARD.md).
+4. Points are tracked on the [Leaderboard](./LEADERBOARD.md).
 
 ## Points System
 | Action | Points |
@@ -16,4 +16,4 @@ Welcome to the ReactSphere Weekly Challenges!
 | Issue resolved | 5 |
 | Helpful discussion comment | 2 |
 
-New challenges will be posted here every week.
+New challenges will be posted here every week.