Minor grammar correction

Author: rampatra

README.md

@@ -2,7 +2,7 @@
 
 The repo consists of solutions to numerous problems using different data structures and algorithms, all coded in Java. It also contains solutions to HackerRank problems which I have solved so far and also questions from Cracking the Coding Interview Book _(6th Edition)_.
 
-You can also refer my [Java Notes](http://java.ramswaroop.me) for a quick refresh on the Java concepts.
+You can also refer to my [Java Notes](http://java.ramswaroop.me) for a quick refresh on the Java concepts.
 
 ## Environment