A family of Microsoft word processing software products for creating web, email, and print documents.
You might try simply switching to Draft View then back to Print Layout View in order to force Word to re-paginate the document. That may resolve it. If not...
Does the document contain unresolved Tracked Changes? If so, turn the feature OFF then Accept/Reject all changes & save the file. You should find that the numbering resolves itself.
Regards,
Bob J.