diff --git a/examples/wireless/wifi-aggregation.cc b/examples/wireless/wifi-aggregation.cc
index 35389c345..8e550cffc 100644
--- a/examples/wireless/wifi-aggregation.cc
+++ b/examples/wireless/wifi-aggregation.cc
@@ -53,8 +53,7 @@
 // - station C enables A-MSDU (with maximum size of 8 kB) but disables A-MPDU;
 // - station D uses two-level aggregation (A-MPDU with maximum size of 32 kB and A-MSDU with maximum size of 4 kB).
 //
-// Packets in this simulation aren't marked with a QosTag so they
-// are considered belonging to BestEffort Access Class (AC_BE).
+//Packets in this simulation belong to BestEffort Access Class (AC_BE).
 //
 // The user can select the distance between the stations and the APs and can enable/disable the RTS/CTS mechanism.
 // Example: ./waf --run "wifi-aggregation --distance=10 --enableRts=0 --simulationTime=20"
diff --git a/examples/wireless/wifi-he-network.cc b/examples/wireless/wifi-he-network.cc
index 37e5a4f96..9866e6d63 100644
--- a/examples/wireless/wifi-he-network.cc
+++ b/examples/wireless/wifi-he-network.cc
@@ -51,8 +51,7 @@
 //    |     |
 //   n1     n2
 //
-//Packets in this simulation aren't marked with a QosTag so they are considered
-//belonging to BestEffort Access Class (AC_BE).
+//Packets in this simulation belong to BestEffort Access Class (AC_BE).
 
 using namespace ns3;
 
diff --git a/examples/wireless/wifi-ht-network.cc b/examples/wireless/wifi-ht-network.cc
index df8a4a583..942a26c8d 100644
--- a/examples/wireless/wifi-ht-network.cc
+++ b/examples/wireless/wifi-ht-network.cc
@@ -52,8 +52,7 @@
 //    |     |
 //   n1     n2
 //
-//Packets in this simulation aren't marked with a QosTag so they are considered
-//belonging to BestEffort Access Class (AC_BE).
+//Packets in this simulation belong to BestEffort Access Class (AC_BE).
 
 using namespace ns3;
 
diff --git a/examples/wireless/wifi-simple-ht-hidden-stations.cc b/examples/wireless/wifi-simple-ht-hidden-stations.cc
index e14d16e49..bbc324fa7 100644
--- a/examples/wireless/wifi-simple-ht-hidden-stations.cc
+++ b/examples/wireless/wifi-simple-ht-hidden-stations.cc
@@ -47,8 +47,7 @@
 //   |    |    |
 //   n1   n2   n3
 //
-// Packets in this simulation aren't marked with a QosTag so they are considered
-// belonging to BestEffort Access Class (AC_BE).
+//Packets in this simulation belong to BestEffort Access Class (AC_BE).
 
 using namespace ns3;
 
diff --git a/examples/wireless/wifi-vht-network.cc b/examples/wireless/wifi-vht-network.cc
index ada89d012..6d035b646 100644
--- a/examples/wireless/wifi-vht-network.cc
+++ b/examples/wireless/wifi-vht-network.cc
@@ -51,8 +51,7 @@
 //    |     |
 //   n1     n2
 //
-//Packets in this simulation aren't marked with a QosTag so they are considered
-//belonging to BestEffort Access Class (AC_BE).
+//Packets in this simulation belong to BestEffort Access Class (AC_BE).
 
 using namespace ns3;