README: build status: use master branch, and .svg

diff --git a/README.md b/README.md
index c00f1a7dd4bb44541de5167f07ad939340c42e29..bf5e088ef99cc8db595f080a45354f8bf1b31d01 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/Tarrasch/zsh-autoenv/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
 
-[![Build Status](https://travis-ci.org/Tarrasch/zsh-autoenv.png)](https://travis-ci.org/Tarrasch/zsh-autoenv)
+[![Build Status](https://travis-ci.org/Tarrasch/zsh-autoenv.svg?branch=master)](https://travis-ci.org/Tarrasch/zsh-autoenv)
 
 # Autoenv for zsh