diff --git a/examples/src/Repositories/ScopeRepository.php b/examples/src/Repositories/ScopeRepository.php
index bfe5c93be..e208406d7 100644
--- a/examples/src/Repositories/ScopeRepository.php
+++ b/examples/src/Repositories/ScopeRepository.php
@@ -24,7 +24,7 @@ class ScopeRepository implements ScopeRepositoryInterface
     /**
      * {@inheritdoc}
      */
-    public function getScopeEntityByIdentifier($scopeIdentifier): ?ScopeEntityInterface
+    public function getScopeEntityByIdentifier(string $identifier): ?ScopeEntityInterface
     {
         $scopes = [
             'basic' => [
@@ -35,12 +35,12 @@ public function getScopeEntityByIdentifier($scopeIdentifier): ?ScopeEntityInterf
             ],
         ];
 
-        if (array_key_exists($scopeIdentifier, $scopes) === false) {
+        if (array_key_exists($identifier, $scopes) === false) {
             return null;
         }
 
         $scope = new ScopeEntity();
-        $scope->setIdentifier($scopeIdentifier);
+        $scope->setIdentifier($identifier);
 
         return $scope;
     }
@@ -55,7 +55,7 @@ public function finalizeScopes(
         $userIdentifier = null,
         $authCodeId = null
     ): array {
-        // Example of programatically modifying the final scope of the access token
+        // Example of programmatically modifying the final scope of the access token
         if ((int) $userIdentifier === 1) {
             $scope = new ScopeEntity();
             $scope->setIdentifier('email');