diff --git a/src/wifi/model/he-capabilities.h b/src/wifi/model/he-capabilities.h
index f8941cdfd..2e43ccd14 100644
--- a/src/wifi/model/he-capabilities.h
+++ b/src/wifi/model/he-capabilities.h
@@ -63,17 +63,17 @@ public:
   uint8_t DeserializeInformationField (Buffer::Iterator start, uint8_t length);
 
   /**
-   * Set the HE MAC Capabilties Info field in the HE Capabilities information element.
+   * Set the HE MAC Capabilities Info field in the HE Capabilities information element.
    *
-   * \param ctrl1 the HE MAC Capabilties Info field 1 in the HE Capabilities information element
-   * \param ctrl2 the HE MAC Capabilties Info field 2 in the HE Capabilities information element
+   * \param ctrl1 the HE MAC Capabilities Info field 1 in the HE Capabilities information element
+   * \param ctrl2 the HE MAC Capabilities Info field 2 in the HE Capabilities information element
    */
   void SetHeMacCapabilitiesInfo (uint32_t ctrl1, uint8_t ctrl2);
   /**
-   * Set the HE PHY Capabilties Info field in the HE Capabilities information element.
+   * Set the HE PHY Capabilities Info field in the HE Capabilities information element.
    *
-   * \param ctrl1 the HE PHY Capabilties Info field 1 in the HE Capabilities information element
-   * \param ctrl2 the HE PHY Capabilties Info field 2 in the HE Capabilities information element
+   * \param ctrl1 the HE PHY Capabilities Info field 1 in the HE Capabilities information element
+   * \param ctrl2 the HE PHY Capabilities Info field 2 in the HE Capabilities information element
    */
   void SetHePhyCapabilitiesInfo (uint64_t ctrl1, uint8_t ctrl2);
   /**
@@ -84,27 +84,27 @@ public:
   void SetSupportedMcsAndNss (uint16_t ctrl);
 
   /**
-   * Return the 4 first octets of the HE MAC Capabilties Info field in the HE Capabilities information element.
+   * Return the 4 first octets of the HE MAC Capabilities Info field in the HE Capabilities information element.
    *
-   * \return the 4 first octets of the HE MAC Capabilties Info field in the HE Capabilities information element
+   * \return the 4 first octets of the HE MAC Capabilities Info field in the HE Capabilities information element
    */
   uint32_t GetHeMacCapabilitiesInfo1 () const;
   /**
-   * Return the last octet of the HE MAC Capabilties Info field in the HE Capabilities information element.
+   * Return the last octet of the HE MAC Capabilities Info field in the HE Capabilities information element.
    *
-   * \return the last octet of the HE MAC Capabilties Info field in the HE Capabilities information element
+   * \return the last octet of the HE MAC Capabilities Info field in the HE Capabilities information element
    */
   uint8_t GetHeMacCapabilitiesInfo2 () const;
   /**
-   * Return the 8 first octets of the HE PHY Capabilties Info field in the HE Capabilities information element.
+   * Return the 8 first octets of the HE PHY Capabilities Info field in the HE Capabilities information element.
    *
-   * \return the 8 first octets of the HE PHY Capabilties Info field in the HE Capabilities information element
+   * \return the 8 first octets of the HE PHY Capabilities Info field in the HE Capabilities information element
    */
   uint64_t GetHePhyCapabilitiesInfo1 () const;
   /**
-   * Return the last octet of the HE PHY Capabilties Info field in the HE Capabilities information element.
+   * Return the last octet of the HE PHY Capabilities Info field in the HE Capabilities information element.
    *
-   * \return the last octet of the HE PHY Capabilties Info field in the HE Capabilities information element
+   * \return the last octet of the HE PHY Capabilities Info field in the HE Capabilities information element
    */
   uint8_t GetHePhyCapabilitiesInfo2 () const;
   /**
diff --git a/src/wifi/model/ht-capabilities.h b/src/wifi/model/ht-capabilities.h
index bc8e18767..229599fef 100644
--- a/src/wifi/model/ht-capabilities.h
+++ b/src/wifi/model/ht-capabilities.h
@@ -52,9 +52,9 @@ public:
   void SetHtSupported (uint8_t htsupported);
 
   /**
-   * Set the HT Capabilties Info field in the HT Capabilities information element.
+   * Set the HT Capabilities Info field in the HT Capabilities information element.
    *
-   * \param ctrl the HT Capabilties Info field in the HT Capabilities information element
+   * \param ctrl the HT Capabilities Info field in the HT Capabilities information element
    */
   void SetHtCapabilitiesInfo (uint16_t ctrl);
   /**
@@ -71,21 +71,21 @@ public:
    */
   void SetSupportedMcsSet (uint64_t ctrl1, uint64_t ctrl2);
   /**
-   * Set the Extended HT Capabilties field in the HT Capabilities information element.
+   * Set the Extended HT Capabilities field in the HT Capabilities information element.
    *
-   * \param ctrl the Extended HT Capabilties field in the HT Capabilities information element
+   * \param ctrl the Extended HT Capabilities field in the HT Capabilities information element
    */
   void SetExtendedHtCapabilities (uint16_t ctrl);
   /**
-   * Set the Transmit Beamforming (TxBF) Capabilties field in the HT Capabilities information element.
+   * Set the Transmit Beamforming (TxBF) Capabilities field in the HT Capabilities information element.
    *
-   * \param ctrl the Transmit Beamforming (TxBF) Capabilties field in the HT Capabilities information element
+   * \param ctrl the Transmit Beamforming (TxBF) Capabilities field in the HT Capabilities information element
    */
   void SetTxBfCapabilities (uint32_t ctrl);
   /**
-   * Set the the Antenna Selection (ASEL) Capabilties field in the HT Capabilities information element.
+   * Set the the Antenna Selection (ASEL) Capabilities field in the HT Capabilities information element.
    *
-   * \param ctrl the Antenna Selection (ASEL) Capabilties field in the HT Capabilities information element
+   * \param ctrl the Antenna Selection (ASEL) Capabilities field in the HT Capabilities information element
    */
   void SetAntennaSelectionCapabilities (uint8_t ctrl);
 
@@ -177,9 +177,9 @@ public:
   void SetTxUnequalModulation (uint8_t txunequalmodulation);
 
   /**
-   * Return the HT Capabilties Info field in the HT Capabilities information element.
+   * Return the HT Capabilities Info field in the HT Capabilities information element.
    *
-   * \return the HT Capabilties Info field in the HT Capabilities information element
+   * \return the HT Capabilities Info field in the HT Capabilities information element
    */
   uint16_t GetHtCapabilitiesInfo (void) const;
   /**
@@ -201,21 +201,21 @@ public:
    */
   uint64_t GetSupportedMcsSet2 (void) const;
   /**
-   * Return the Extended HT Capabilties field in the HT Capabilities information element.
+   * Return the Extended HT Capabilities field in the HT Capabilities information element.
    *
-   * \return the Extended HT Capabilties field in the HT Capabilities information element
+   * \return the Extended HT Capabilities field in the HT Capabilities information element
    */
   uint16_t GetExtendedHtCapabilities (void) const;
   /**
-   * Return the Transmit Beamforming (TxBF) Capabilties field in the HT Capabilities information element.
+   * Return the Transmit Beamforming (TxBF) Capabilities field in the HT Capabilities information element.
    *
-   * \return the Transmit Beamforming (TxBF) Capabilties field in the HT Capabilities information element
+   * \return the Transmit Beamforming (TxBF) Capabilities field in the HT Capabilities information element
    */
   uint32_t GetTxBfCapabilities (void) const;
   /**
-   * Return the Antenna Selection (ASEL) Capabilties field in the HT Capabilities information element.
+   * Return the Antenna Selection (ASEL) Capabilities field in the HT Capabilities information element.
    *
-   * \return the Antenna Selection (ASEL) Capabilties field in the HT Capabilities information element
+   * \return the Antenna Selection (ASEL) Capabilities field in the HT Capabilities information element
    */
   uint8_t GetAntennaSelectionCapabilities (void) const;
 
@@ -307,7 +307,7 @@ public:
 
 
 private:
-  //HT Capabilties Info field
+  //HT Capabilities Info field
   uint8_t m_ldpc; ///< LDPC
   uint8_t m_supportedChannelWidth; ///< supported channel width
   uint8_t m_smPowerSave; ///< SM power save
@@ -339,7 +339,7 @@ private:
   uint32_t m_reservedMcsSet3; ///< reserved MCS set 3
   uint8_t m_rxMcsBitmask[MAX_SUPPORTED_MCS]; ///< receive MCS bitmask
 
-  //HT Extended Capabilties field
+  //HT Extended Capabilities field
   uint8_t m_pco; ///< PCO
   uint8_t m_pcoTransitionTime; ///< PCO trnsition time
   uint8_t m_reservedExtendedCapabilities; ///< reserved extended capabilities
diff --git a/src/wifi/model/mac-low.cc b/src/wifi/model/mac-low.cc
index f8ba84772..fffa146b2 100644
--- a/src/wifi/model/mac-low.cc
+++ b/src/wifi/model/mac-low.cc
@@ -2633,7 +2633,7 @@ MacLow::AggregateToAmpdu (Ptr<const Packet> packet, const WifiMacHeader hdr)
               else if (hdr.IsBlockAckReq ())
                 {
                   blockAckSize = static_cast<uint8_t> (packet->GetSize () + hdr.GetSize () + WIFI_MAC_FCS_LENGTH);
-                  qosPolicy = 3; //if the last subrame is block ack req then set ack policy of all frames to blockack
+                  qosPolicy = 3; //if the last subframe is block ack req then set ack policy of all frames to blockack
                   packet->PeekHeader (blockAckReq);
                   startingSequenceNumber = blockAckReq.GetStartingSequence ();
                 }
diff --git a/src/wifi/model/vht-capabilities.h b/src/wifi/model/vht-capabilities.h
index ce5c4bf86..718f08a91 100644
--- a/src/wifi/model/vht-capabilities.h
+++ b/src/wifi/model/vht-capabilities.h
@@ -70,9 +70,9 @@ public:
   uint8_t DeserializeInformationField (Buffer::Iterator start, uint8_t length);
 
   /**
-   * Set the VHT Capabilties Info field in the VHT Capabilities information element.
+   * Set the VHT Capabilities Info field in the VHT Capabilities information element.
    *
-   * \param ctrl the VHT Capabilties Info field in the VHT Capabilities information element
+   * \param ctrl the VHT Capabilities Info field in the VHT Capabilities information element
    */
   void SetVhtCapabilitiesInfo (uint32_t ctrl);
   /**
@@ -83,9 +83,9 @@ public:
   void SetSupportedMcsAndNssSet (uint64_t ctrl);
 
   /**
-   * Return the VHT Capabilties Info field in the VHT Capabilities information element.
+   * Return the VHT Capabilities Info field in the VHT Capabilities information element.
    *
-   * \return the VHT Capabilties Info field in the VHT Capabilities information element
+   * \return the VHT Capabilities Info field in the VHT Capabilities information element
    */
   uint32_t GetVhtCapabilitiesInfo () const;
   /**