Update PULL_REQUEST_TEMPLATE.md

Author: LandauRaz

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,11 +1,13 @@
 ### Description of the Changes
 
 Please add a detailed description of the change you have made.
+
 If the PR is related to an open issue, please also link to it.
 
 ### PR Preview URL
 
 After you push a commit to this PR, a preview is built and a URL to the root of the preview appears in the comment feed.
+
 Please paste the specific URL(s) of the content that this PR addresses here.
 
 ### Check List