FIXUP: Make minor changes to PR template wording

.github/pull_request_template.md

@@ -1,4 +1,4 @@
 ## Checklist
 
-- [ ] If the schema uses versioning, increment the version number, following the [guidelines in the contributing guide](CONTRIBUTING.md#typical-schema-changes)
-- [ ] Refer to the [documentation on specific schemas](CONTRIBUTING.md#specific-schema-documentation) for additional tasks that may need to be performed, based on which schema is being updated
+- [ ] If the schema is versioned, incremented the version number, following the [guidelines in the contributing guide](CONTRIBUTING.md#typical-schema-changes)
+- [ ] Referred to the [documentation on specific schemas](CONTRIBUTING.md#specific-schema-documentation) for additional change constraints or tasks that may need to be performed, based on which schema is being updated