NPA-4192 Fix Typos

Author: JackPlowman

.github/pull_request_template.md

@@ -34,6 +34,6 @@ Stages to complete before opening the Pull Request:
 
 :information_source: This section is to be filled in by the **reviewer**.
 
--   [ ] I have reviewed the changes in this PR and they fill all or part of the acceptance criteria of the ticket, and the code is in a mergeable state.
+-   [ ] I have reviewed the changes in this PR and they fill all or part of the acceptance criteria of the ticket, and the code is in a merge able state.
 -   [ ] If there were infrastructure, operational, or build changes, I have made sure there is sufficient evidence that the changes will work.
 -   [ ] I have ensured the changelog has been updated by the submitter, if necessary.

CONTRIBUTING.md

@@ -30,7 +30,7 @@ so please explain why the changes need to be made (unless it is self-evident).
 ### Merge responsibility
 
 -   It is the responsibility of the reviewer to merge branches they have approved.
--   It is the responsibility of the author of the merge to ensure their merge is in a mergeable state.
+-   It is the responsibility of the author of the merge to ensure their merge is in a merge able state.
 -   It is the responsibility of the maintainers to ensure the merge process is unambiguous and automated where possible.
 
 ### Branch naming