diff --git a/src/Provider/Traits/TokenValidatorTrait.php b/src/Provider/Traits/TokenValidatorTrait.php
index dac05a2..f834336 100644
--- a/src/Provider/Traits/TokenValidatorTrait.php
+++ b/src/Provider/Traits/TokenValidatorTrait.php
@@ -111,7 +111,7 @@ public function validateScope($token, array $scope)
         // check expected scopes are included
         $scp = is_array($token->scp) ? array_unique($token->scp) : [];
         if (count(array_intersect($scope, $scp)) < count($scope)) {
-            throw new Exception\ScopeInvalidException('Expected scopes not matched: ' . implode(', ', $scope));
+            throw new Exception\ScopeInvalidException('Expected scope not matched: ' . implode(', ', $scope));
         }
     }
 
@@ -128,7 +128,7 @@ public function validateAudience($token, array $audience)
         // check expected audiences are included
         $aud = is_array($token->aud) ? array_unique($token->aud) : [];
         if (count(array_intersect($audience, $aud)) < count($audience)) {
-            throw new Exception\AudienceInvalidException('Expected audiences not matched: ' . implode(', ', $audience));
+            throw new Exception\AudienceInvalidException('Expected audience not matched: ' . implode(', ', $audience));
         }
     }
 }