Fix typo and remove unnecessary note

Author: ahangarha

.github/PULL_REQUEST_TEMPLATE.md

@@ -7,12 +7,11 @@ to keep the conversation linked together._
 
 ### Other Information
 
-_Remove this parapraph and mention any other important and relevant information such as benchmarks._
+_Remove this paragraph and mention any other important and relevant information such as benchmarks._
 
 ### Pull Request checklist
 _Remove this line after checking all the items here. If the item is not applicable to the PR, both check it out and wrap it by `~`._
 
 - [ ] Add/update test to cover these changes
 - [ ] Update documentation
-- [ ] Update CHANGELOG file  
-  _Add the CHANGELOG entry at the top of the file._
+- [ ] Update CHANGELOG file