diff --git a/CHANGES.html b/CHANGES.html
index 493a8e5f9..aca0ba64e 100644
--- a/CHANGES.html
+++ b/CHANGES.html
@@ -52,6 +52,14 @@ us a note on ns-developers mailing list.  </p>
 
 <h2>New API:</h2>
 <ul>
+<li><b>Athstats</b>
+<p>New classes AthstatsWifiTraceSink and AthstatsHelper.
+</p>
+</li>
+<li><b>WifiRemoteStationManager </b>
+<p>New trace sources exported by WifiRemoteStationManager: MacTxRtsFailed, MacTxDataFailed, MacTxFinalRtsFailed and MacTxFinalDataFailed.
+</p>
+</li>
 <li><b> IPv6 additions</b>
 <p> Add an IPv6 protocol and ICMPv6 capability.
 <ul>
diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 84482252f..4175cd258 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -45,6 +45,10 @@ New user-visible features
     - Radvd application (send RA);
     - Examples (ping6, simple-routing-ping6, radvd, radvd-two-prefix,
       icmpv6-redirect).
+
+  c) added AthstatsHelper, which enables the wifi device to produce
+     periodic reports similar to the ones generated by madwifi's
+     athstats tool (Nicola Baldo)
  
  
 API changes from ns-3.5