Fix typo

Author: siriak

README.md

@@ -4,7 +4,7 @@
 [![codecov](https://codecov.io/gh/TheAlgorithms/C-Sharp/branch/master/graph/badge.svg)](https://codecov.io/gh/TheAlgorithms/C-Sharp)
 [![GuardRails badge](https://badges.guardrails.io/TheAlgorithms/C-Sharp.svg?token=84805208ba243f0931a74c5148883f894cbe9fd97fe54d64d6d0a89852067548)](https://dashboard.guardrails.io/default/gh/TheAlgorithms/C-Sharp)
 
-This repository contains algorithms and data structures implemented in C# for eductional purposes.  
+This repository contains algorithms and data structures implemented in C# for educational purposes.  
 
 ## Overview  
 * [Algorithms](./Algorithms/)