Rephrase the PR template to be more involving

.github/PULL_REQUEST_TEMPLATE.md

-Thank you for taking the time to work on a Pull Request for this project!
-
-To ensure your PR is dealt with swiftly please check the following:
-
-- [ ] Your submissions are formatted according to the guidelines in the [contributing guide](CONTRIBUTING.md)
-- [ ] Your additions are ordered alphabetically
-- [ ] Your submission has a useful description
+<!-- Thank you for taking the time to work on a Pull Request for this project! -->
+<!-- To ensure your PR is dealt with swiftly please check the following: -->
+- [ ] My submission is formatted according to the guidelines in the [contributing guide](CONTRIBUTING.md)
+- [ ] My addition is ordered alphabetically
+- [ ] My submission has a useful description
 - [ ] The description does not end with punctuation
-- [ ] Each table column should be padded with one space on either side
-- [ ] You have searched the repository for any relevant issues or pull requests
-- [ ] Any category you are creating has the minimum requirement of 3 items
+- [ ] Each table column is padded with one space on either side
+- [ ] I have searched the repository for any relevant issues or pull requests
+- [ ] Any category I am creating has the minimum requirement of 3 items
 - [ ] All changes have been [squashed][squash-link] into a single commit
 
 [squash-link]: <https://github.com/todotxt/todo.txt-android/wiki/Squash-All-Commits-Related-to-a-Single-Issue-into-a-Single-Commit>