Merge pull request #6562 from joshunger/patch-2

Edit CONTRIBUTING to add help wanted issue labels

CONTRIBUTING.md

@@ -11,17 +11,23 @@ Most of the time, if webpack is not working correctly for you it is a simple con
 
 If you are still having difficulty after looking over your configuration carefully, please post
 a question to [StackOverflow with the webpack tag](http://stackoverflow.com/tags/webpack). Questions
-that include your webpack.config.js and relevant files are more likely to receive responses.
+that include your webpack.config.js, relevant files, and the full error message are more likely to receive responses.
 
 **If you have discovered a bug or have a feature suggestion, please [create an issue on GitHub](https://github.com/webpack/webpack/issues/new).**
 
+Do you want to fix an issue?  Look at the issues with a tag of [X5: work required (PR / Help Wanted)](https://github.com/webpack/webpack/labels/X5%3A%20work%20required%20%28PR%20%2F%20Help%20Wanted%29).  Each issue should be tagged with a difficulty tag -
+
+- D0: My First Commit (Contribution Difficulty)
+- D1: Easy (Contribution Difficulty)
+- D2: Medium (Contribution Difficulty)
+- D3: Hard (Contribution Difficulty)
+
 ## Contributing to the webpack ecosystem
 
-If you have created your own loader/plugin please include it on the relevant
-documentation pages:
+If you have created your own loader/plugin please include it on the relevant documentation pages:
 
-[List of loaders](https://webpack.js.org/loaders/) or [awesome-webpack](https://github.com/webpack-contrib/awesome-webpack#loaders)
-[List of plugins](https://webpack.js.org/plugins) or [awesome-webpack](https://github.com/webpack-contrib/awesome-webpack#webpack-plugins)
+- [List of loaders](https://webpack.js.org/loaders/) or [awesome-webpack](https://github.com/webpack-contrib/awesome-webpack#loaders)
+- [List of plugins](https://webpack.js.org/plugins) or [awesome-webpack](https://github.com/webpack-contrib/awesome-webpack#webpack-plugins)
 
 ## Setup
 
@@ -43,7 +49,7 @@ Some things that will increase the chance that your pull request is accepted:
 
 webpack is insanely feature rich and documentation is a huge time sink. We
 greatly appreciate any time spent fixing typos or clarifying sections in the
-documentation.
+documentation. [See a list of issues with the documentation tag.](https://github.com/webpack/webpack/labels/documentation)
 
 ## Discussions
 

_SETUP.md

@@ -16,7 +16,7 @@ Setup your local webpack repository
 git clone https://github.com/webpack/webpack.git
 cd webpack
 npm install -g yarn
-yarn install
+yarn
 yarn link
 yarn link webpack
 ```