Update README.md

Author: gantavyamalviya

README.md

@@ -12,7 +12,7 @@
 Steps to contribute in this repository
 
     1. Fork this repo
-    2. Propose/Update file of your choice
+    2. Propose/Update (C++/Java/Python) file of your choice
     3. Add useful code for the open-source community
     4. Make pull request
     5. Now, it time for review (Don't worry, our team we will review your Pull Request(PR) within 12 hours.