Fix another typo

Author: Nazar1ky

src/content/docs/guides/troubleshooting.mdx

@@ -89,7 +89,7 @@ Adding your browser of choice in there or fixing the detected settings should ge
 
 ### Interception doesn't work in some other way
 
-* If you need to test whether any client is working correctly, make a request to [`AmIUsing.httptoolkit.tech`](https://amiusing.httptoolkit.tech). You should see "You're not being intercepted" or "You're being intercepted", depending on whether your traffic is successfuly going through HTTP Toolkit
+* If you need to test whether any client is working correctly, make a request to [`AmIUsing.httptoolkit.tech`](https://amiusing.httptoolkit.tech). You should see "You're not being intercepted" or "You're being intercepted", depending on whether your traffic is successfully going through HTTP Toolkit
 
 * If you're struggling to manually set up a client, there's two possibilities: either the client isn't using the HTTP proxy settings correctly, or it doesn't trust the certificate. In the former case, you should see "You're not being intercepted" when making requests to amiusing.httptoolkit.tech. In the latter case, you'll likely receive certificate errors, and you should be able to see rows showing failed or rejected requests on the View page.