Most candidates get minor corrections as a result of the viva. I’ve talked with plenty of candidates who worry about what this might mean for them.

Words that correspond with minor in the thesaurus:

…inconsequential, unimportant, lesser, slight, trivial, small-fry, small-time, dinky…

Perhaps you wouldn’t categorise typos as small-fry, but it’s worth reflecting on what “minor” means to keep the scope and scale of minor corrections in perspective. Individually, each correction is a relatively small change. Combined, they could take time to work through, so be sure that you know how much time your institution gives for completing them.

Compared with the work for your PhD, the effort for your preparation and your viva, minor corrections are a dinky piece of work. For the most part, they’re trivial compared to the energy required for everything else you’ve done.