--- a/src/wifi/model/ap-wifi-mac.cc	Sun Jan 19 05:58:53 2014 -0800
+++ b/src/wifi/model/ap-wifi-mac.cc	Sun Jan 19 12:08:50 2014 -0500
@@ -169,7 +169,7 @@
   NS_LOG_FUNCTION (this << interval);
   if ((interval.GetMicroSeconds () % 1024) != 0)
     {
-      NS_LOG_WARN ("beacon interval should be multiple of 1024us, see IEEE Std. 802.11-2007, section 11.1.1.1");
+      NS_LOG_WARN ("beacon interval should be multiple of 1024us (802.11 time unit), see IEEE Std. 802.11-2012");
     }
   m_beaconInterval = interval;
 }