--- a/src/wifi/model/cara-wifi-manager.cc	Wed Jul 03 21:43:05 2013 +0200
+++ b/src/wifi/model/cara-wifi-manager.cc	Wed Jul 03 14:43:10 2013 -0700
@@ -175,8 +175,8 @@
 CaraWifiManager::DoGetRtsMode (WifiRemoteStation *st)
 {
   NS_LOG_FUNCTION (this << st);
-  // XXX: we could/should implement the Arf algorithm for
-  // RTS only by picking a single rate within the BasicRateSet.
+  /// \todo we could/should implement the Arf algorithm for
+  /// RTS only by picking a single rate within the BasicRateSet.
   return GetSupported (st, 0);
 }