Update PR template (#4570)

.github/pull_request_template.md

@@ -6,18 +6,20 @@ Please ensure that any applicable requirements below are satisfied before submit
 
 **Description**
 
-_Write a short description of the changes included in this pull request._
-
-**Checklist**
-
-* [ ] There is a related GitHub issue
-* [ ] Tests are included if applicable
-* [ ] Any added code is fully documented
+_Write a short description of the changes included in this pull request, also include relevant motivation and context. Have in mind the following questions,_
+_1. What is the reason for the change?_
+_2. What is the improvement/solution?_
 
 **Screenshots/Recordings**
 
-_If applicable, add screenshots or recordings to visualize the changes_
+_If applicable, add screenshots and/or recordings to visualize the before and after of your change_
 
 **Issue**
 
 Progresses #???
+
+**Checklist**
+
+* [ ] There is a related GitHub issue
+* [ ] Tests are included if applicable
+* [ ] Any added code is fully documented