diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
index 616fd27..1501728 100644
--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@@ -1,3 +1,15 @@
+<!--
+Thanks for wanting to report an issue you've found. Please delete
+this text and fill in the template below. If unsure about something, just do as
+best as you're able.
+
+Note that it will be much easier for us to fix the issue if a test case that
+reproduces the problem is provided. Ideally this test case should not have any
+external dependencies. We understand that it is not always possible to reduce
+your code to a small test case, but we would appreciate to have as much data as
+possible. Thank you!
+-->
+
 ### Prerequisites
 * [ ] Can you reproduce the problem in a **fresh** firefox profile with **only** ClearURLs?
 * [ ] Are you running the latest version of ClearURLs?
@@ -18,10 +30,9 @@
 **Actual behavior:** [What actually happened]
 
 ### System
-* **Version**: <!-- compulsory. you must provide your version -->
-* **Platform**: <!-- either `uname -a` output, or if Windows, version and 32-bit or
-  64-bit -->
-* **Subsystem**: <!-- optional. if known - please specify affected core module name -->
+* **Version**: [compulsory. you must provide your version]
+* **Platform**: [either `uname -a` output, or if Windows, version and 32-bit or
+  64-bit]
 
 ### Log
 <!-- Please enable the log functionality of ClearURLs and copy your log into this table. -->