diff --git a/examples/annotated-topology-read-example.cc b/examples/annotated-topology-read-example.cc
index 03258b1..a0bbfc8 100644
--- a/examples/annotated-topology-read-example.cc
+++ b/examples/annotated-topology-read-example.cc
@@ -141,7 +141,7 @@
         //NS_LOG_INFO("2");
         
         Ptr<PointToPointNetDevice> device2 = nd2->GetDevice(nd2->GetNDevices()-1)->GetObject<PointToPointNetDevice> ();
-`
+
         if(device2==NULL)
             NS_LOG_INFO("device2 = 0");