Bob Ross wrote: for example, Word will hyphenate "winemaker" as "wine-maker" or as "winemak-er" if it occurs at the end of a sentence.
Only if you want it to, Bob.
It is a user option that seems to be selected on the Word you are using.
From Word help:
About hyphenation
If a word is too long to fit on the end of a line, Microsoft Word moves the word to the beginning of the next line instead of hyphenating it. However, you can use the hyphenation feature to insert hyphens to eliminate gaps in justified text or to maintain even line lengths in narrow columns. You can insert an individual optional hyphen or an individual nonbreaking hyphen, or you can let Word hyphenate all or part of a document for you.
Using automatic hyphenation
When you turn on automatic hyphenation, Word automatically inserts hyphens where they are needed in the document. If you later edit the document and change line breaks, Word rehyphenates the document