Docs: Fix typo in contributing section

markusguenther · web-flow · commit 6aab8eae7c2d · 2018-08-15T22:20:15.000+02:00
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -1,5 +1,5 @@
 # Contributing to react-css-themr
-First time contributing to react? Read our [Code of Conduct](https://github.com/FriendsOfReactJS/react-css-themr/blob/develop/CODE_OF_CONDUCT.md#code-of-conduct).
+First time contributing to react-css-themr? Read our [Code of Conduct](https://github.com/FriendsOfReactJS/react-css-themr/blob/develop/CODE_OF_CONDUCT.md#code-of-conduct).
 
 ### Report a bug
 
