Update ISSUE_TEMPLATE.md

.github/ISSUE_TEMPLATE.md

@@ -8,7 +8,7 @@ Read first: [CONTRIBUTING](https://github.com/gorhill/uBlock/blob/master/CONTRIB
 
 ### Screenshot in which the issue can be seen
 
-[Screenshot(s) for visual issues are **mandatory**]
+<sub>[Screenshot(s) for visual issues are **mandatory**]</sub>
 
 ### Steps for anyone to reproduce the issue
 
@@ -18,12 +18,14 @@ Read first: [CONTRIBUTING](https://github.com/gorhill/uBlock/blob/master/CONTRIB
 
 ### Your settings
 
-[If you fail to provide this info, I will mark the issue as invalid]
+<sub>[If you fail to provide this info, I will mark the issue as invalid. Lists all settings which differs from default settings]</sub>
 
 - Browser/version: 
 - uBlock Origin version: 
 
+
 ##### Your filter lists
 
+<sub>[Example: "Default filter lists + FRA", or "Default filter lists minus uBlock -- Badware risks"]</sub>
 
 ##### Your custom filters (if any)