diff --git a/docs/en/misc/contributing/issues.md b/docs/en/misc/contributing/issues.md
index a143cc763..033096068 100644
--- a/docs/en/misc/contributing/issues.md
+++ b/docs/en/misc/contributing/issues.md
@@ -27,6 +27,14 @@ If the issue does look like a new bug:
  * Add keywords to help us organize issues, and please be realistic about the issue priority. Don't set milestones.
  * *(optional)* [Submit a pull request](/misc/contributing/code) which fixes the issue.
 
+Ensure you give us enough information to diagnose your issue:
+
+ * Switch your site to "[dev mode](http://doc.silverstripe.org/framework/en/topics/debugging)". Paste any PHP errors with their stacktraces. A generic "Server Error" message is not enough information.
+ * If you suspect a JavaScript or CSS bug, check if it appears in other browsers
+ * Use the [Chrome dev tools](https://developers.google.com/chrome-developer-tools/docs/overview) or [Firefox dev tools](https://developer.mozilla.org/en-US/docs/Tools)
+ * Use the JavaScript console in your browser to determine if any errors happened there, and paste the complete info into issue description.
+ * Use the "Network" panel to determine if any XHR ("Ajax") requests have returned errors, and paste the HTTP headers as well as HTTP response body into the issue description.
+
 ## Reporting Security Issues
 
 Report security issues to [security@silverstripe.com](mailto:security@silverstripe.com). See our "[Release Process](release-process)" documentation for more info, and read our guide on [how to write secure code](/topics/security).