diff --git a/src/wifi/model/yans-wifi-phy.cc b/src/wifi/model/yans-wifi-phy.cc
index 16dfbe14c..b191260ce 100644
--- a/src/wifi/model/yans-wifi-phy.cc
+++ b/src/wifi/model/yans-wifi-phy.cc
@@ -162,7 +162,7 @@ YansWifiPhy::GetTypeId (void)
                                         &YansWifiPhy::SetStbc),
                    MakeBooleanChecker ())
     .AddAttribute ("GreenfieldEnabled",
-                   "Whether or not STBC is enabled.",
+                   "Whether or not Greenfield is enabled.",
                    BooleanValue (false),
                    MakeBooleanAccessor (&YansWifiPhy::GetGreenfield,
                                         &YansWifiPhy::SetGreenfield),