Update CONTRIBUTING.md

Author: moollaza

CONTRIBUTING.md

@@ -12,8 +12,30 @@
 
 # In Maintenance
 
-DuckDuckHack is now in maintenance mode. We are only accepting pull requests for essential bug fixes. For more information see [duckduckhack.com](https://duckduckhack.com). 
+DuckDuckHack is now in maintenance mode. We are only accepting pull requests for essential bug fixes. For more information see [duckduckhack.com](https://duckduckhack.com).
 
+## What are essential bug fixes?
+
+Any changes necessary to keep existing Instant Answers functioning correctly and as expected. For example:
+
+  - Updating the URL for a Spice Instant Answer when the API changes
+  - Correcting a Perl or JavaScript logic error
+  - Fixing CSS that's causing the display to break
+
+Any other changes will not be accepted. For example:
+
+  - spelling/comment changes
+  - unsolicited improvements, changes, and code refactoring
+
+## Need to report a bug?
+If you find a bug or relevancy issue, the **best** way to report this is via the Feedback button on the DuckDuckGo.com search results page. These issues are compiled and reviewed daily.
+
+## Have a suggestion or idea?
+The **best** way to report these is also via the Feedback button on the DuckDuckGo.com search results page.
+
+You can also share your thoughts with our community on [Reddit](https://www.reddit.com/r/duckduckgo/).
+
+----
 
 ## Contents