docs: modify logTestingPlaygroundURL documentation (#1105)

* doc logTestingPlaygroundURL

* docs: update text for logTestingPlaygroundURL

Co-authored-by: Tim Deschryver <[email protected]>

Co-authored-by: lironlevy <xvsciuvmcy27kruon22t3wvv2kfiqoguhmnnkebe6y5kmbl7vuzq>
Co-authored-by: Matan Borenkraout <[email protected]>
Co-authored-by: Tim Deschryver <[email protected]>

Author: 3 people

docs/queries/about.mdx

@@ -170,9 +170,11 @@ const inputNode1 = screen.getByLabelText('Username')
 const container = document.querySelector('#app')
 const inputNode2 = getByLabelText(container, 'Username')
 ```
+
 ### `queryOptions`
 
-You can pass a `queryOptions` object with the query type. See the docs for each query type to see available options, e.g. [byRole API](queries/byrole.mdx#api).
+You can pass a `queryOptions` object with the query type. See the docs for each
+query type to see available options, e.g. [byRole API](queries/byrole.mdx#api).
 
 ### `screen`
 
@@ -240,7 +242,8 @@ cy.findByLabelText('Example').should('exist')
 ## `TextMatch`
 
 Most of the query APIs take a `TextMatch` as an argument, which means the
-argument can be either a _string_, _regex_, or a _function_ of signature `(content?: string, element?: Element | null) => boolean` which returns `true`
+argument can be either a _string_, _regex_, or a _function_ of signature
+`(content?: string, element?: Element | null) => boolean` which returns `true`
 for a match and `false` for a mismatch.
 
 ### TextMatch Examples
@@ -370,7 +373,8 @@ screen.debug(screen.getAllByText('multi-test'))
 ### `screen.logTestingPlaygroundURL()`
 
 For debugging using [testing-playground](https://testing-playground.com), screen
-exposes this convenient method which logs a URL that can be opened in a browser.
+exposes this convenient method which logs and returns a URL that can be opened in
+a browser.
 
 ```javascript
 import {screen} from '@testing-library/dom'