Remove extraneous topics from 'have an idea' and add to contribution …

…sections.

CONTRIBUTING.md

@@ -43,7 +43,7 @@ We are working to improve this document, and if you find any part of it confusin
 
 * If you're having trouble with the setup instructions, ask for help in our [online support chat](https://gitter.im/exercism/support).
 - If you see a problem with the setup instructions, you can help by [filing a bug report](docs/filing-a-bug-report.md) in the "Issues" section of the [corresponding language repository](http://exercism.io/repositories).
-  - if you have the time and the desire, you can help *even more* by [fixing it](#i-would-like-to-help-i-can--want-to-get-better-at-organize-stuff).
+  - if you have the time and the desire, you can help *even more* by [fixing it](#i-would-like-to-help-i-can--want-to-get-better-at-organizing-stuff).
 
 -
 
@@ -52,7 +52,7 @@ We are working to improve this document, and if you find any part of it confusin
 * If a particular exercise is giving you grief, ask for help in our [online support chat](https://gitter.im/exercism/support).
 - If there's a defect in the...
   - **instructions** of the exercise, you can make a difference by [filing a bug report](docs/filing-a-bug-report.md) in the [`exercism/x-common` repository](https://github.com/exercism/x-common/issues/new).
-    - if you have the time and the desire, you can help *even more* by [fixing it](#i-would-like-to-help-i-can--want-to-get-better-at-organize-stuff).
+    - if you have the time and the desire, you can help *even more* by [fixing it](#i-would-like-to-help-i-can--want-to-get-better-at-organizing-stuff).
   - **tests** or **starter code** of the exercise, you can help by [filing a bug report](docs/filing-a-bug-report.md) in the "Issues" section of the [corresponding language repository](http://exercism.io/repositories).
     - if you have the time and the desire, you can help *even more* by [fixing it](#i-would-like-to-help-i-am-fluent-in--want-to-get-better-at-a-particular-programming-language).
 - You can ask for help within the track:
@@ -67,9 +67,9 @@ We are working to improve this document, and if you find any part of it confusin
 ## I have an idea
 
 
-| [making the website better](#i-have-an-idea-about-making-the-website-better) | [improving the command-line client (CLI)](#i-have-an-idea-about-improving-the-command-line-client-cli) | [a brand-new exercise for Exercism](#i-have-an-idea-about-a-brand-new-exercise-for-exercism) | [improving an existing exercise](#i-have-an-idea-about-improving-an-existing-exercise) | [how to make exercism a better tool for practice](#i-have-an-idea-about-how-to-make-exercism-a-better-tool-for-practice) | [how to improve the exercism community](#i-have-an-idea-about-how-to-improve-the-exercism-community) |
-|:---:|:---:|:---:|:---:|:---:|:---:|
-|[![Making the website better](docs/img/globe.png)](#i-have-an-idea-about-making-the-website-better) | [![Improving the command-line client](docs/img/prompt.png)](#i-have-an-idea-about-improving-the-command-line-client-cli) | [![A brand new exercise for Exercism](docs/img/target-a-track.png)](#i-have-an-idea-about-a-brand-new-exercise-for-exercism) | [![Improving an existing exercise](docs/img/computer-code.png)](#i-have-an-idea-about-improving-an-existing-exercise) | [![how to make exercism a better tool for practice](docs/img/mortarboard.png)](#i-have-an-idea-about-how-to-make-exercism-a-better-tool-for-practice) | [![how to improve the exercism community](docs/img/group-of-people.jpg)](#i-have-an-idea-about-how-to-improve-the-exercism-community)
+| [making the website better](#i-have-an-idea-about-making-the-website-better) | [improving the command-line client (CLI)](#i-have-an-idea-about-improving-the-command-line-client-cli) | [a brand-new exercise for Exercism](#i-have-an-idea-about-a-brand-new-exercise-for-exercism) | [improving an existing exercise](#i-have-an-idea-about-improving-an-existing-exercise) | 
+|:---:|:---:|:---:|:---:|
+|[![Making the website better](docs/img/globe.png)](#i-have-an-idea-about-making-the-website-better) | [![Improving the command-line client](docs/img/prompt.png)](#i-have-an-idea-about-improving-the-command-line-client-cli) | [![A brand new exercise for Exercism](docs/img/target-a-track.png)](#i-have-an-idea-about-a-brand-new-exercise-for-exercism) | [![Improving an existing exercise](docs/img/computer-code.png)](#i-have-an-idea-about-improving-an-existing-exercise) |
 
 
 ### I have an idea about making the website better 
@@ -130,49 +130,48 @@ New exercise ideas are definitely welcome!  Here's how to ensure the idea lands
 
 - If the idea is to improve the...
   - **instructions** of the exercise, you can make a difference by making the suggestion in the [`exercism/x-common`](https://github.com/exercism/x-common/issues/new) repository.
-    - if you have the time and the desire, you can help *even more* by [fixing it](#i-would-like-to-help-i-can--want-to-get-better-at-organize-stuff).
+    - if you have the time and the desire, you can help *even more* by [fixing it](#i-would-like-to-help-i-can--want-to-get-better-at-organizing-stuff).
   - **tests** or **starter code** of the exercise, you can help by making the suggestion in the "Issues" section of the [corresponding language repository](http://exercism.io/repositories).
     -  if you have the time and the desire, you can help *even more* by [fixing it](#i-would-like-to-help-i-am-fluent-in--want-to-get-better-at-a-particular-programming-language).
 
 
--
-
-### I have an idea about how to make exercism a better tool for practice 
-
-We love the way you're thinking!
-
-* Peek at the vision for what Exercism wants to be.
-* Skim through the existing issues in [`exercism/discussions`](https://github.com/exercism/discussions/issues) repository to see if someone is talking about some part of the same idea.
-* Either chime in on an existing conversation or start your own.  Think of this repo as a kind of message board.
-
--
-
-### I have an idea about how to improve the exercism community
-
-
 ----
 
 
 ## I would like to help
 
-Terrific!  
+Terrific!
 
 You have (or want to improve your) skills in
 
-| [organizing stuff](#i-would-like-to-help-i-can--want-to-get-better-at-organize-stuff) | [fluency in a particular programming language](#i-would-like-to-help-i-am-fluent-in--want-to-get-better-at-a-particular-programming-language) | [web programming](#i-would-like-to-help-i-know--want-to-get-better-at-web-programming) | [Ruby on Rails](#i-would-like-to-help-i-know--want-to-get-better-at-ruby-on-rails) | [Go](#i-would-like-to-help-i-know--want-to-get-better-at-go) | [web design](#i-would-like-to-help-i-know--want-to-get-better-at-web-design) | [mentoring others](#i-would-like-to-help-i-know--want-to-get-better-at-mentoring-others)
+| [organizing stuff](#i-would-like-to-help-i-can--want-to-get-better-at-organizing-stuff) | [fluency in a particular programming language](#i-would-like-to-help-i-am-fluent-in--want-to-get-better-at-a-particular-programming-language) | [web programming](#i-would-like-to-help-i-know--want-to-get-better-at-web-programming) | [Ruby on Rails](#i-would-like-to-help-i-know--want-to-get-better-at-ruby-on-rails) | [Go](#i-would-like-to-help-i-know--want-to-get-better-at-go) | [web design](#i-would-like-to-help-i-know--want-to-get-better-at-web-design) | [mentoring others](#i-would-like-to-help-i-know--want-to-get-better-at-mentoring-others)
 |:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
-| [![organizing stuff](docs/img)](#i-would-like-to-help-i-can--want-to-get-better-at-organize-stuff) | [![fluency in a particular programming language](docs/img)](#i-would-like-to-help-i-am-fluent-in--want-to-get-better-at-a-particular-programming-language) | [![web programming](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-web-programming) | [![Ruby on Rails](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-ruby-on-rails) | [![Go](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-go) | [![web design](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-web-design) | [![mentoring others](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-mentoring-others)
+| [![organizing stuff](docs/img)](#i-would-like-to-help-i-can--want-to-get-better-at-organizing-stuff) | [![fluency in a particular programming language](docs/img)](#i-would-like-to-help-i-am-fluent-in--want-to-get-better-at-a-particular-programming-language) | [![web programming](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-web-programming) | [![Ruby on Rails](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-ruby-on-rails) | [![Go](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-go) | [![web design](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-web-design) | [![mentoring others](docs/img)](#i-would-like-to-help-i-know--want-to-get-better-at-mentoring-others)
 
-### I would like to help; I can / want to get better at organize stuff
+### I would like to help; I can / want to get better at organizing stuff
+
+- Find discussions about ways we'd like to improve our documentation: [`exercism/discussions?documentation`](https://github.com/exercism/discussions/issues?q=is%3Aissue+is%3Aopen+documentation+sort%3Aupdated-desc)
+- Help make the instructions of an exercise more clear, interesting and/or engaging by locating that exercise in [`exercism/x-common`](https://github.com/exercism/x-common/tree/master/exercises) and [Tweaking its README.md](https://github.com/exercism/x-common/blob/master/CONTRIBUTING.md#tweaking-a-readme).
+- Issues across all of Exercism looking for help with documentation: [`exercism?documentation`](https://github.com/search?o=desc&p=1&q=org%3Aexercism+documentation+is%3Aissue&ref=searchresults&s=updated&state=open&type=Issues&utf8=%E2%9C%93)
 
 -
 
 ### I would like to help; I am fluent in / want to get better at a particular programming language
 
 Are you a language enthusiast?  Help other people fall in love with your language by:
 
+#### Being a Track Mentor
+
+One of the best ways to contribute to Exercism is by reviewing others' submissions and providing actionable, specific and kind feedback (think: ASK).
+
+- you can give feedback on any exercise for which you have submitted in your [Activity Stream](http://exercism.io/inbox).
+- become a track mentor.
+
+#### Helping Maintain a Track
+
+- You can quickly identify exercises not yet implemented for a given language by picking it from the [languages page](http://exercism.io/languages) and following the "Contributing to (language) on Exercism" link.
+
 * getting involved with [one of the Exercism language tracks](http://exercism.io/repositories), or 
-- by [giving feedback](http://exercism.io/inbox) to people who submit solutions to a track.
 
 -