You are welcome. Be sure to emphasize to your class that wherever possible formatting should be done through styles rather than direct formatting. Had the normal style in the document been modified instead of directly changing the font, the instructions in the book would have worked.

Understanding Styles in Microsoft Word
Your students may get a lot from the following series of web pages.
Basic Concepts of Microsoft Word - from Shauna Kelly

Also, if any part of your course deals with "Master Documents" be sure to read the following first. Master Documents "Feature"

Something other things you may be covering are, templates, automatic numbering and the creation and use of building blocks. Those are often not covered that well in books.
Templates in Microsoft Word
How to create numbered headings or outline numbering in Ribbon Versions of Word by Shauna Kelly
Automated Boilerplate Using Microsoft Word