corrected grammar in README.md

Author: ABHIRANJAN-KUMAR1

README.md

@@ -34,7 +34,7 @@
   </a>
 
 <!-- Short description: -->
-  <h3>All algorithms implemented in Python - for education 📚</h3>
+  <h3>All algorithms implemented in Python - for educational purposes 📚</h3>
 </div>
 
 Implementations are for learning purposes only. They may be less efficient than the implementations in the Python standard library. Use them at your discretion.