Update .github/ISSUE_TEMPLATE/ql---general.md

Author: felicitymay

.github/ISSUE_TEMPLATE/ql---general.md

@@ -9,5 +9,6 @@ assignees: ''
 
 **Description of the issue**
 
-<!-- Please explain briefly what is the problem.-->
+<!-- Please explain briefly what is the problem.
+If it is about a GitHub project, please include its URL. -->