Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -4,15 +4,16 @@ PRs, bug reports, feature requests, documentation, and other enhancements and im
 
 ### For Issues
 
-* Is this a question? Questions are permitted, but a better way to get support for questions is to join the slack channel and ask there. (Link in README)
+* Is this a question? Questions are permitted, but a better way to get support for questions is to join the slack channel and ask there (Link in README), or open a thread in the repository's Discussions tab.
 * Is this something that is extremely specific to your use case, or will it likely be useful and beneficial to other users of the library? 
 * Do you have an idea for what you are requesting? If so, please include that! Details are helpful.
 * For bug reports please include a way to reproduce the issue - issues that cannot be reproduced cannot be fixed and will be closed.
-* For new exchange requests please include links to the API documentation
+* For new exchange requests please include links to the API documentation.
 
 
 ### For PRs
 
 * Has it been tested? How?
-* Does the code style match the overall code style of the project? Long lines are preferred, so please do not use formatters that turn 1 line into 4 lines
-* Please use type annotations
+* Does the code style match the overall code style of the project? Long lines are preferred, so please do not use formatters that turn 1 line into 4 lines.
+* Please use type annotations.
+* Please run flake8 and fix any formatting issues it uncovers.