Fix doc wording

README.md

@@ -168,7 +168,7 @@ See Hugo's [installation](https://gohugo.io/installation/), [getting started](ht
 By default, everything is enabled, which is likely not what you want.
 See the [minimal look](#minimal-look) section for ideas of what to disable.
 
-By default, page body spans its entire container, which spans most of the window.
+By default, the page body spans its entire container, which spans most of the window.
 See the [narrow look](#narrow-look) and [narrow-and-wide look](#narrow-and-wide-look) sections
 for ideas of how to customize the presentation.