diff --git a/lib/Persistence/TrafficLimiter.php b/lib/Persistence/TrafficLimiter.php
index 06916c5..005fa5f 100644
--- a/lib/Persistence/TrafficLimiter.php
+++ b/lib/Persistence/TrafficLimiter.php
@@ -30,7 +30,7 @@ class TrafficLimiter extends AbstractPersistence
      * @var    int
      */
     private static $_limit = 10;
-    
+
     /**
      * listed ips are exempted from limits, defaults to null
      *