use master branch url for travis image

brianc · brianc · commit 01f3f3da53a9 · 2013-04-17T09:59:10.000-05:00
diff --git a/README.md b/README.md
@@ -1,6 +1,6 @@
 #node-postgres
 
-[![Build Status](https://secure.travis-ci.org/brianc/node-postgres.png)](http://travis-ci.org/brianc/node-postgres)
+[![Build Status](https://secure.travis-ci.org/brianc/node-postgres.png?branch=master)](http://travis-ci.org/brianc/node-postgres)
 
 PostgreSQL client for node.js.  Pure JavaScript and native libpq bindings.
 
