Why rename many files when few file do trick

src/NzbDrone.Core/Notifications/NotificationService.cs

@@ -307,7 +307,7 @@ namespace NzbDrone.Core.Notifications
             // Don't send health check notifications during the start up grace period,
             // once that duration expires they they'll be retested and fired off if necessary.
 
-            if (message.IsInStartupGraceperiod)
+            if (message.IsInStartupGracePeriod)
             {
                 return;
             }