diff --git a/config/packages/security.yaml b/config/packages/security.yaml
index 1732fdb..58a5c8e 100644
--- a/config/packages/security.yaml
+++ b/config/packages/security.yaml
@@ -36,7 +36,7 @@ security:
   # Easy way to control access for large sections of your site
   # Note: Only the *first* access control that matches will be used
   access_control:
-  # - { path: ^/admin, roles: ROLE_ADMIN }
+    - { path: ^/admin, roles: ROLE_ADMIN }
   # - { path: ^/profile, roles: ROLE_USER }
 
 when@test:
diff --git a/src/Controller/QuizController.php b/src/Controller/QuizController.php
index b5882e5..9b6c241 100644
--- a/src/Controller/QuizController.php
+++ b/src/Controller/QuizController.php
@@ -95,7 +95,7 @@ final class QuizController extends AbstractController
         $candidate = $candidateRepository->getCandidateByHash($season, $nameHash);
 
         if (!$candidate instanceof Candidate) {
-            $this->addFlash(FlashType::Danger, 'Candidate not found');
+            $this->addFlash(FlashType::Danger, $this->translator->trans('Candidate not found'));
 
             return $this->redirectToRoute('app_quiz_entername', ['seasonCode' => $season->getSeasonCode()]);
         }
@@ -117,7 +117,7 @@ final class QuizController extends AbstractController
         $question = $questionRepository->findNextQuestionForCandidate($candidate);
 
         if (!$question instanceof Question) {
-            $this->addFlash(FlashType::Success, 'Quiz completed');
+            $this->addFlash(FlashType::Success, $this->translator->trans('Quiz completed'));
 
             return $this->redirectToRoute('app_quiz_entername', ['seasonCode' => $season->getSeasonCode()]);
         }
diff --git a/src/Controller/RegistrationController.php b/src/Controller/RegistrationController.php
index 0575940..212eea4 100644
--- a/src/Controller/RegistrationController.php
+++ b/src/Controller/RegistrationController.php
@@ -86,7 +86,7 @@ final class RegistrationController extends AbstractController
             return $this->redirectToRoute('app_register');
         }
 
-        $this->addFlash('success', 'Your email address has been verified.');
+        $this->addFlash('success', $this->translator->trans('Your email address has been verified.'));
 
         return $this->redirectToRoute('app_backoffice_index');
     }
diff --git a/translations/messages+intl-icu.nl.yaml b/translations/messages+intl-icu.nl.yaml
index b8c4a9c..c4c8eb8 100644
--- a/translations/messages+intl-icu.nl.yaml
+++ b/translations/messages+intl-icu.nl.yaml
@@ -2,6 +2,7 @@
 'All Seasons': 'Alle seizoenen'
 'Already have an account? Log in': 'Heb je al een account? Log in'
 Candidate: Kandidaat
+'Candidate not found': 'Kandidaat niet gevonden'
 Candidates: Kandidaten
 'Correct Answers': 'Goede antwoorden'
 Corrections: Jokers
@@ -22,6 +23,7 @@ Password: Wachtwoord
 'Prepare Custom Elimination': 'Bereid aangepaste eliminatie voor'
 Questions: Vragen
 Quiz: Test
+'Quiz completed': 'Test voltooid'
 Quizzes: Tests
 Register: Registreren
 'Remember me': 'Onthoud mij'
@@ -34,3 +36,4 @@ Seasons: Seizoenen
 'There are no answers for this question': 'Er zijn geen antwoorden voor deze vraag'
 Time: Tijd
 'Your Seasons': 'Jouw seizoenen'
+'Your email address has been verified.': 'Je e-mailadres is geverifieerd.'