I'm using Debian 11 and Mathematica 13.1. Here's a screenshot of what I'm talking about.
Odd...! I couldn't replicate the problem you mention. I checked the online version of the EIWL book, as well as the printed version, and in both cases the sentences appear just as you suggest.
Same here. Unable to reproduce on "13.1.0 for Mac OS X ARM (64-bit) (June 16, 2022)" or WolframCloud.