diff --git a/src/Symfony/Component/Security/Core/Exception/AuthenticationExpiredException.php b/src/Symfony/Component/Security/Core/Exception/AuthenticationExpiredException.php
index caf2e6cc38..7bc174f05c 100644
--- a/src/Symfony/Component/Security/Core/Exception/AuthenticationExpiredException.php
+++ b/src/Symfony/Component/Security/Core/Exception/AuthenticationExpiredException.php
@@ -12,7 +12,7 @@
 namespace Symfony\Component\Security\Core\Exception;
 
 /**
- * AuthenticationServiceException is thrown when an authenticated token becomes un-authentcated between requests.
+ * AuthenticationServiceException is thrown when an authenticated token becomes un-authenticated between requests.
  *
  * In practice, this is due to the User changing between requests (e.g. password changes),
  * causes the token to become un-authenticated.