Update README.md

Fix a typo

Author: wko27

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/medallia/Word2VecJava.svg?branch=master)](https://travis-ci.org/medallia/Word2VecJava)
 
-This is a port of the open source C implementation of word2vec (https://code.google.com/p/word2vec/). You can browse/contribute the repository via [Github](https://github.com/medallia/Word2VecJava). Alternatively you can pull it from the centeral Maven repositories:
+This is a port of the open source C implementation of word2vec (https://code.google.com/p/word2vec/). You can browse/contribute the repository via [Github](https://github.com/medallia/Word2VecJava). Alternatively you can pull it from the central Maven repositories:
 ```XML
 <dependency>
   <groupId>com.medallia.word2vec</groupId>