Update docs/contribute/run-vale.md

Co-authored-by: Joel Willmore <[email protected]>

docs/contribute/run-vale.md

@@ -10,7 +10,7 @@ Vale is currently integrated into the continuous integration (CI) pipeline and i
 pull request (PR) using a GitHub action. You can select the **Details** link to view the failures.
 
 :::info important
-The Vale GitHub workflow runs on all Markdown files in the document, not only the one's you've updated.
+The Vale GitHub workflow runs on all Markdown files in the document, not only the ones you've updated.
 Failures in the workflow won't prevent your PR from being merged.
 
 You can run Vale locally to view issues directly related to your PR.