diff --git a/src/applications/onoff/onoff-application.cc b/src/applications/onoff/onoff-application.cc
index 644af1189..eb49558d0 100644
--- a/src/applications/onoff/onoff-application.cc
+++ b/src/applications/onoff/onoff-application.cc
@@ -269,7 +269,7 @@ OnOffApplication::GetTraceResolver (void) const
 {
   Ptr<CompositeTraceResolver> resolver = Create<CompositeTraceResolver> ();
   resolver->AddSource ("tx",
-                       TraceDoc ("A new packet is created is sent",
+                       TraceDoc ("A new packet is created and is sent",
                                  "Ptr<const Packet>",
                                  "The newly-created packet."),
                        m_txTrace);