diff --git a/Modules/Linksehat/Http/Middleware/Doctor/Authentication.php b/Modules/Linksehat/Http/Middleware/Doctor/Authentication.php
index d2c93b97..9f1f9c26 100644
--- a/Modules/Linksehat/Http/Middleware/Doctor/Authentication.php
+++ b/Modules/Linksehat/Http/Middleware/Doctor/Authentication.php
@@ -26,11 +26,11 @@ class Authentication
         // Add language
         if(!$locale)
         {
-            return ApiResponse::apiResponse('Unauthorized', null, trans('validation.required', ['attribute' => 'Accept-Language']), 401);
+            return ApiResponse::apiResponse('Unauthorized', null, trans('Validation.required', ['attribute' => 'Accept-Language']), 401);
         }
         if($locale !== 'en-US' && $locale !== 'id-ID')
         {
-            return ApiResponse::apiResponse('Bad Request', null, trans('validation.invalid', ['attribute' => 'Accept-Language']), 400);
+            return ApiResponse::apiResponse('Bad Request', null, trans('Validation.invalid', ['attribute' => 'Accept-Language']), 400);
         }
         if ($locale === 'en-US')
         {
@@ -46,19 +46,19 @@ class Authentication
         // Validate type accept & content type
         if (!$acceptHeader)
         {
-            return ApiResponse::apiResponse('Unauthorized', null, trans('validation.required', ['attribute' => 'Accept']), 401);
+            return ApiResponse::apiResponse('Unauthorized', null, trans('Validation.required', ['attribute' => 'Accept']), 401);
         }
         if (!$contentType)
         {
-            return ApiResponse::apiResponse('Unauthorized', null, trans('validation.required', ['attribute' => 'Content-Type']), 401);
+            return ApiResponse::apiResponse('Unauthorized', null, trans('Validation.required', ['attribute' => 'Content-Type']), 401);
         }
         if ($acceptHeader !== 'application/json')
         {
-            return ApiResponse::apiResponse('Bad Request', null, trans('validation.invalid', ['attribute' => 'Accept']), 400);
+            return ApiResponse::apiResponse('Bad Request', null, trans('Validation.invalid', ['attribute' => 'Accept']), 400);
         }
         if($contentType !== 'application/json')
         {
-            return ApiResponse::apiResponse('Bad Request', null, trans('validation.invalid', ['attribute' => 'Content-Type']), 400);
+            return ApiResponse::apiResponse('Bad Request', null, trans('Validation.invalid', ['attribute' => 'Content-Type']), 400);
         }
         return $next($request);
     }