Few fixes

app/Http/Controllers/SiteAliasController.php

@@ -25,7 +25,7 @@ class SiteAliasController extends Controller
 
         $site->addAlias($request->input('domain'));
 
-        dispatch(new CreateAlias($site, $request->input('domain'), $request->boolean('request_new_certicate')));
+        dispatch(new CreateAlias($site, $request->input('domain'), $request->boolean('request_new_certificate')));
 
         return redirect()->route('sites.aliases.index', $id)->with('success', __('Alias has been created'));
     }

app/Http/Requests/SiteAliasRequest.php

@@ -20,7 +20,7 @@ class SiteAliasRequest extends FormRequest
                 'string',
                 new Hostname,
             ],
-            'request_new_certicate' => [
+            'request_new_certificate' => [
                 'required',
             ]
         ];