Fixed typos

app/Http/Controllers/MetaGerSearch.php

@@ -207,7 +207,7 @@ class MetaGerSearch extends Controller
 
         \Prometheus\CollectorRegistry::getDefault()
             ->getOrRegisterCounter('metager', 'result_counter', 'counts total number of returned results')
-            ->incBy($newResults)
+            ->incBy($newResults);
 
         $finished = true;
         foreach ($engines as $engine) {

routes/web.php

 <?php
 
 use Jenssegers\Agent\Agent;
+use Prometheus\RenderTextFormat;
 
 /*
 |--------------------------------------------------------------------------
@@ -242,6 +243,6 @@ Route::group(
             $result = $renderer->render($registry->getMetricFamilySamples());
 
             return response($result, 200)
-                ->header('Content-Type', RenderTextFormat::MIME_TYPE);
+                ->header('Content-Type', \RenderTextFormat::MIME_TYPE);
         });
     });