diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index f2aa6a1e..397eefd5 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -20,6 +20,7 @@ lib_xua Change Log
   * CHANGE     HID report descriptor to use generic events instead of GPI
     events, to report Key-phrase detection as AC Search, and to report end-call
     detection as AC Stop
+  * ADDED:     Support of variable USB sampling frequency
 
 0.2.1
 -----