Fix typo in handleerror lesson (sveltejs#378)

you way want to -> you may want to

Author: moritzhertler

content/tutorial/04-advanced-sveltekit/01-hooks/04-handleerror/README.md

@@ -24,7 +24,7 @@ Notice that we're _not_ showing the error message to the user. That's because er
 }
 ```
 
-In some situations you way want to customise this object. To do so, you can return an object from `handleError`:
+In some situations you may want to customise this object. To do so, you can return an object from `handleError`:
 
 ```js
 /// file: src/hooks.server.js
@@ -49,4 +49,4 @@ You can now reference properties other than `message` in a custom error page. Cr
 <h1>{$page.status}</h1>
 <p>{$page.error.message}</p>
 <p>error code: {$page.error.code}</p>
-```
+```