docs(readme): fix nuget link

README.md

@@ -2,7 +2,7 @@
 [![build status](https://ci.appveyor.com/api/projects/status/github/richardschneider/k-bucket?branch=master&svg=true)](https://ci.appveyor.com/project/richardschneider/k-bucket) 
 [![CircleCI](https://circleci.com/gh/richardschneider/k-bucket.svg?style=svg)](https://circleci.com/gh/richardschneider/k-bucket)
 [![Coverage Status](https://coveralls.io/repos/richardschneider/k-bucket/badge.svg?branch=master&service=github)](https://coveralls.io/github/richardschneider/k-bucket?branch=master)
-[![Version](https://img.shields.io/nuget/v/Makaretu.svg)](https://www.nuget.org/packages/Makaretu.KBucket)
+[![Version](https://img.shields.io/nuget/v/Makaretu.KBucket.svg)](https://www.nuget.org/packages/Makaretu.KBucket)
 [![docs](https://cdn.rawgit.com/richardschneider/k-bucket/master/doc/images/docs-latest-green.svg)](https://richardschneider.github.io/k-bucket/articles/intro.html)
 
 A [Distributed Hash Table](http://en.wikipedia.org/wiki/Distributed_hash_table) (DHT) is a