Apply suggestions from code review

Co-authored-by: Ben McCann <[email protected]>

documentation/docs/14-configuration.md

@@ -150,9 +150,9 @@ See [Prerendering](#ssr-and-javascript-prerender). An object containing zero or
 - `enabled` — set to `false` to disable prerendering altogether
 - `onError`
 
-  - `"fail"` — (default) fails the build when a routing error is encountered when following a link
+  - `'fail'` — (default) fails the build when a routing error is encountered when following a link
   - `"continue"` — allows the build to continue, despite routing errors
-  - function — you can use the `errorDetails` to determine whether or not to `throw`, thereby failing the build.
+  - `function` — custom error handler allowing you to log, `throw` and fail the build, or take other action of your choosing based on the details of the crawl
 
     ```ts
     /** @type {import('@sveltejs/kit').PrerenderErrorHandler} */