diff --git a/src/Symfony/Component/Workflow/Exception/InvalidTokenConfigurationException.php b/src/Symfony/Component/Workflow/Exception/InvalidTokenConfigurationException.php
index 367d4c6eb6..85ada5e780 100644
--- a/src/Symfony/Component/Workflow/Exception/InvalidTokenConfigurationException.php
+++ b/src/Symfony/Component/Workflow/Exception/InvalidTokenConfigurationException.php
@@ -12,7 +12,7 @@
 namespace Symfony\Component\Workflow\Exception;
 
 /**
- * Thrown by GuardListener when there is no token set, but guards are placed on a transition
+ * Thrown by GuardListener when there is no token set, but guards are placed on a transition.
  *
  * @author Matt Johnson <matj1985@gmail.com>
  */