Merge pull request #3607 from mholson/patch-1

fix typo 'that' -> 'than'

docs/guide/queries.md

@@ -2,7 +2,7 @@
 
 In the previous chapter we introduced the [DOM](../guide/CSS.md#the-dom) which is how Textual apps keep track of widgets. We saw how you can apply styles to the DOM with CSS [selectors](./CSS.md#selectors).
 
-Selectors are a very useful idea and can do more that apply styles. We can also find widgets in Python code with selectors, and make updates to widgets in a simple expressive way. Let's look at how!
+Selectors are a very useful idea and can do more than apply styles. We can also find widgets in Python code with selectors, and make updates to widgets in a simple expressive way. Let's look at how!
 
 ## Query one