diff --git a/src/wifi/model/wifi-mac.cc b/src/wifi/model/wifi-mac.cc
index d138ebf23..c00b009c4 100644
--- a/src/wifi/model/wifi-mac.cc
+++ b/src/wifi/model/wifi-mac.cc
@@ -191,7 +191,7 @@ WifiMac::GetTypeId (void)
                    MakeTimeAccessor (&WifiMac::SetPifs,
                                      &WifiMac::GetPifs),
                    MakeTimeChecker ())
-    .AddAttribute ("Rifs", "The value of the RIFS constant.",
+    .AddAttribute ("Rifs", "The value of the RIFS constant (not supported yet!).",
                    TimeValue (GetDefaultRifs ()),
                    MakeTimeAccessor (&WifiMac::SetRifs,
                                      &WifiMac::GetRifs),
diff --git a/src/wifi/model/wifi-phy.cc b/src/wifi/model/wifi-phy.cc
index 1a2d31745..c78147165 100644
--- a/src/wifi/model/wifi-phy.cc
+++ b/src/wifi/model/wifi-phy.cc
@@ -265,13 +265,13 @@ WifiPhy::GetTypeId (void)
                                         &WifiPhy::SetGuardInterval),
                    MakeBooleanChecker ())
     .AddAttribute ("LdpcEnabled",
-                   "Whether or not LDPC is enabled.",
+                   "Whether or not LDPC is enabled (not supported yet!).",
                    BooleanValue (false),
                    MakeBooleanAccessor (&WifiPhy::GetLdpc,
                                         &WifiPhy::SetLdpc),
                    MakeBooleanChecker ())
     .AddAttribute ("STBCEnabled",
-                   "Whether or not STBC is enabled.",
+                   "Whether or not STBC is enabled (not supported yet!).",
                    BooleanValue (false),
                    MakeBooleanAccessor (&WifiPhy::GetStbc,
                                         &WifiPhy::SetStbc),