Fix badge link to contributors

README.md

@@ -3,7 +3,7 @@
 [![Build Status](https://travis-ci.org/JamesYang007/autoppl.svg?branch=master)](https://travis-ci.org/JamesYang007/autoppl)
 [![Coverage Status](https://coveralls.io/repos/github/JamesYang007/autoppl/badge.svg?branch=master)](https://coveralls.io/github/JamesYang007/autoppl?branch=master)
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 ## Table of Contents