docs: update data-sveltekit-keepfocus docs

Author: geoffrich

documentation/docs/30-advanced/30-link-options.md

@@ -6,6 +6,8 @@ In SvelteKit, `<a>` elements (rather than framework-specific `<Link>` components
 
 You can customise the behaviour of links with `data-sveltekit-*` attributes. These can be applied to the `<a>` itself, or to a parent element.
 
+These options also apply to `<form>` elements with [`method="GET"`](/docs/form-actions#get-vs-post).
+
 ## data-sveltekit-preload-data
 
 Before the browser registers that the user has clicked on a link, we can detect that they've hovered the mouse over it (on desktop) or that a `touchstart` or `mousedown` event was triggered. In both cases, we can make an educated guess that a `click` event is coming.
@@ -78,17 +80,15 @@ Sometimes you don't want navigation to create a new entry in the browser's sessi
 
 ## data-sveltekit-keepfocus
 
-When creating a search input using a `<form>` which reflects its input value in the URL, you might not want it to lose focus after navigation. Adding a `data-sveltekit-keepfocus` attribute to it...
+Sometimes you don't want [focus to be reset](/docs/accessibility#focus-management) after navigation. For example, maybe you have a search form that submits as the user is typing, and you want to keep focus on the text input.  Adding a `data-sveltekit-keepfocus` attribute to it...
 
 ```html
 <form data-sveltekit-keepfocus>
 	<input type="text" name="query">
 </form>
 ```
 
-...will cause the currently focused element to retain focus after navigation. Note that this only really makes sense for `<form>` elements. If you would add this to a link, the focused element would be the `<a>` tag, which is probably not what you want. You should also only use this on elements that still exist after navigation.
-
-By default, focus will be reset to the body.
+...will cause the currently focused element to retain focus after navigation. In general, avoid using this attribute on links, since screen reader and other assistive technology users often expect focus to be moved after a navigation. You should also only use this attribute on elements that still exist after navigation. If the element no longer exists, the user's focus will be lost, making for a confusing experience for assistive technology users.
 
 ## data-sveltekit-noscroll