--- a/src/simulator/realtime-simulator-impl.cc	Fri Apr 23 14:53:30 2010 +0400
+++ b/src/simulator/realtime-simulator-impl.cc	Fri Apr 23 15:09:31 2010 +0400
@@ -161,7 +161,7 @@
   //
   // We need to be able to have external events (such as a packet reception event)
   // cause us to re-evaluate our state.  The way this works is that the synchronizer
-  // gets interrupted and returs.  So, there is a possibility that things may change
+  // gets interrupted and returns.  So, there is a possibility that things may change
   // out from under us dynamically.  In this case, we need to re-evaluate how long to 
   // wait in a for-loop until we have waited sucessfully (until a timeout) for the 
   // event at the head of the event list.