Update links to point to main branch (#251)
diff --git a/README.md b/README.md
index 29a7f26..fe297dc 100644
--- a/README.md
+++ b/README.md
@@ -193,11 +193,11 @@
[zookeeper]: http://zookeeper.apache.org/
[hadoop]: http://hadoop.apache.org/
[mirrors]: http://www.apache.org/dyn/closer.cgi
-[Webindex]: https://github.com/apache/fluo-examples/tree/master/webindex
-[Phrasecount]: https://github.com/apache/fluo-examples/tree/master/phrasecount
-[configure]: https://github.com/apache/fluo/blob/master/docs/install.md#configure-a-fluo-application
+[Webindex]: https://github.com/apache/fluo-examples/tree/main/webindex
+[Phrasecount]: https://github.com/apache/fluo-examples/tree/main/phrasecount
+[configure]: https://github.com/apache/fluo/blob/main/docs/install.md#configure-a-fluo-application
[li]: http://img.shields.io/badge/license-ASL-blue.svg
-[ll]: https://github.com/apache/fluo-uno/blob/master/LICENSE
+[ll]: https://github.com/apache/fluo-uno/blob/main/LICENSE
[logo]: contrib/uno-logo.png
[Muchos]: https://github.com/apache/fluo-muchos
[ssh-docs]: https://hadoop.apache.org/docs/r3.3.0/hadoop-project-dist/hadoop-common/SingleCluster.html#Setup_passphraseless_ssh
