fixed typo

docs/fern/docs/pages/customization/page-examples/sign-in.mdx

@@ -70,7 +70,7 @@ export default function CustomCredentialSignIn() {
  return;
  }
  // this will redirect to app.urls.afterSignIn if successful, you can customize it in the StackServerApp constructor
- const resullt = await app.signInWithCredential({ email, password });
+ const result = await app.signInWithCredential({ email, password });
  // It is better to handle each error code separately, but we will just show the error code directly for simplicity here
  if (result.status === 'error') {
  setError(result.error.message);