Update README.md

Author: SQLicious

README.md

@@ -27,7 +27,8 @@ I hope my solutions inspire your SQL journey.
 
 [Challenge 3 - Customer Insights](https://github.com/SQLicious/Steel-Data-SQL-Python-Challenges/blob/main/Challenge%203%20-%20Customer%20Insights.md)
 
-[Challenge 4 - Finance Analysis] (https://github.com/SQLicious/Steel-Data-SQL-Python-Challenges/blob/main/Challenge%204%20-%20Finance%20Analysis.md)
+[Challenge 4 - Finance Analysis](https://github.com/SQLicious/Steel-Data-SQL-Python-Challenges/blob/main/Challenge%204%20-%20Finance%20Analysis.md)
+