Update ISSUE_TEMPLATE.md

Author: jquense

.github/ISSUE_TEMPLATE.md

@@ -2,7 +2,7 @@
 
 **What is the current behavior?**
 
-**If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem via https://jsfiddle.net or similar (template: https://jsfiddle.net/m4mb9Lg3/4/.**
+**If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem via https://jsfiddle.net or similar (template: https://jsfiddle.net/m4mb9Lg3/4/).**
 
 **What is the expected behavior?**