Update README.md

NiteshKant · web-flow · commit 062467bab754 · 2016-08-01T13:01:27.000+05:30
diff --git a/README.md b/README.md
@@ -1,6 +1,6 @@
 RxNetty
 =======
-[![Build Status](https://api.travis-ci.org/ReactiveX/RxNetty.svg?branch=0.4.x)]
+![Build Status](https://api.travis-ci.org/ReactiveX/RxNetty.svg?branch=0.4.x)
 
 Reactive Extension (Rx) Adaptor for Netty
 
