diff --git a/src/simulator/simulator.h b/src/simulator/simulator.h
index d0d66a9c4..a0732fb53 100644
--- a/src/simulator/simulator.h
+++ b/src/simulator/simulator.h
@@ -97,8 +97,8 @@ public:
   static void Destroy (void);
 
   /**
-   * If there any any events lefts to be scheduled and simulation time
-   * has not yet reached the "stop time" (see Simulator::Stop()),
+   * If there are no more events lefts to be scheduled, or if simulation
+   * time has already reached the "stop time" (see Simulator::Stop()),
    * return true. Return false otherwise.
    */
   static bool IsFinished (void);