[DOCS] Update CONTRIBUTING.md (#10220)

Just adding consistent language for the contributing guide.

CONTRIBUTING.md

@@ -1,5 +1,8 @@
 <!---
 
+zoracon: (This is an old comment below, not sure how accurate this is anymore. 
+Since Github seems to lean more towards Markdown these days, it's still probably accurate)
+ 
 This file serves as an entry point for GitHub's Contributing
 Guidelines [1] only.
 
@@ -19,19 +22,15 @@ to the Sphinx generated docs is provided below.
 
 Hi! Welcome to the Certbot project. We look forward to collaborating with you.
 
-If you're reporting a bug in Certbot, please make sure to include:
- - The version of Certbot you're running.
- - The operating system you're running it on.
- - The commands you ran.
- - What you expected to happen, and
- - What actually happened.
+If you're reporting a bug in Certbot. Please open an issue: https://github.com/certbot/certbot/issues/new/choose.
+
+If you're having trouble using Certbot and aren't sure you've found a bug, please first try asking for help at https://community.letsencrypt.org/. There is a much larger community there of people familiar with the project who will be able to more quickly answer your questions.
 
 If you're a developer, we have some helpful information in our
 [Developer's Guide](https://certbot.eff.org/docs/contributing.html) to get you
-started. In particular, we recommend you read these sections 
+started. In particular, we recommend you read these sections:
 
+ - [EFF's Public Projects Code of Conduct](https://www.eff.org/pages/eppcode)
  - [Finding issues to work on](https://certbot.eff.org/docs/contributing.html#find-issues-to-work-on)
  - [Coding style](https://certbot.eff.org/docs/contributing.html#coding-style)
  - [Submitting a pull request](https://certbot.eff.org/docs/contributing.html#submitting-a-pull-request)
- - [EFF's Public Projects Code of Conduct](https://www.eff.org/pages/eppcode)
-