--- a/src/wifi/model/wifi-phy.h	Fri Dec 12 14:48:13 2014 -0800
+++ b/src/wifi/model/wifi-phy.h	Sun Jan 04 09:43:20 2015 -0800
@@ -286,22 +286,21 @@
    */
   static Time CalculateTxDuration (uint32_t size, WifiTxVector txvector, enum WifiPreamble preamble, double frequency);
 
-/** 
-   * \param payloadMode the WifiMode use for the transmission of the payload
+  /**
    * \param preamble the type of preamble
    * \param txvector the transmission parameters used for this packet
 
    * \return the training symbol duration
    */
-  static uint32_t GetPlcpHtTrainingSymbolDurationMicroSeconds (WifiMode payloadMode, WifiPreamble preamble, WifiTxVector txvector);
-/** 
+  static uint32_t GetPlcpHtTrainingSymbolDurationMicroSeconds (WifiPreamble preamble, WifiTxVector txvector);
+  /**
    * \param payloadMode the WifiMode use for the transmission of the payload
    * \param preamble the type of preamble
    * 
    * \return the WifiMode used for the transmission of the HT-SIG in Mixed Format and greenfield format PLCP header 
    */
   static WifiMode GetMFPlcpHeaderMode (WifiMode payloadMode, WifiPreamble preamble);
-/** 
+  /**
    * \param payloadMode the WifiMode use for the transmission of the payload
    * \param preamble the type of preamble
    * 
@@ -309,7 +308,6 @@
    */
   static uint32_t GetPlcpHtSigHeaderDurationMicroSeconds (WifiMode payloadMode, WifiPreamble preamble);
 
-
   /** 
    * \param payloadMode the WifiMode use for the transmission of the payload
    * \param preamble the type of preamble