diff --git a/CHANGES.html b/CHANGES.html
index c6e6e1da49..7d32b4a0ce 100644
--- a/CHANGES.html
+++ b/CHANGES.html
@@ -88,6 +88,7 @@
Changes to existing API:
The Mode and QueueLimit attributes of the RedQueueDisc class, that had been deprecated in favor of the MaxSize attribute in ns-3.28, have now been removed and cannot be used anymore. Likewise, the methods to get/set the old attributes have been removed as well. The GetMaxSize/SetMaxSize methods of the base QueueDisc class must be used instead.
Several traffic generating applications have additional trace sources that export not only the transmitted or received packet but also the source and destination addresses.
The returned type of GetNDevices methods in Channel and subclasses derived from it were changed from uint32_t to std::size_t. Likewise, the input parameter type of GetDevice in Channel and its subclasses were changed from uint32_t to std::size_t.
+ Wifi classes DcfManager, DcaTxop and EdcaTxopN were renamed to ChannelAccessManager, Txop and QosTxop, respectively.
Changes to build system: