fixed Additional Resources section in README
@@ -44,10 +44,9 @@ We hope you find PSL useful! If you have, please consider citing PSL in any rela
Additional Resources
====================
-* [PSL wiki](https://github.com/linqs/psl/wiki)
+- [PSL wiki](https://github.com/linqs/psl/wiki)
- [PSL homepage](http://psl.linqs.org)
-- [API Refernce](https://linqs-data.soe.ucsc.edu/psl-docs/)
+- [API reference](https://linqs-data.soe.ucsc.edu/psl-docs/)
- [PSL source repository](https://github.com/linqs/psl)
-- [PSL wiki](../../wiki)
-- [Getting Started guide](../../wiki/Core-Topics)
+- [Getting started guide](../../wiki/Core-Topics)
- [User group](https://groups.google.com/forum/#!forum/psl-users)
