fix travis url (#129)

README.md

diff --git a/README.md b/README.md
index 06dbdba..58f46c9 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@
 
 # Apache OpenWhisk runtimes for java
 
-[![Build Status](https://travis-ci.com/apache/openwhisk-runtime-java.svg?branch=master)](https://travis-ci.com/apache/openwhisk-runtime-java)
+[![Build Status](https://travis-ci.com/apache/openwhisk-runtime-java.svg?branch=master)](https://travis-ci.com/github/apache/openwhisk-runtime-java)
 
 ## Changelogs
 - [Java 8 CHANGELOG.md](core/java8/CHANGELOG.md)