Update pull_request_template.md (#1401)

Author: nishant-d

.github/pull_request_template.md

@@ -26,6 +26,7 @@ Please describe the tests that you ran to verify your changes. Provide instructi
 * [ ] I have performed a self-review of my own code
 * [ ] I have commented my code, particularly in hard-to-understand areas
 * [ ] I have tested it for all user roles
-* [ ] I have added all requird unit/api test cases
+* [ ] I have added all the required unit/api test cases
+