diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index e14cfd90..63788e0f 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -11,6 +11,8 @@ UNRELEASED
   * FIXED:     Incorrect internal input EP count for input only devices
   * ADDED:     MIDI unit and subsystem tests
   * FIXED:     ADAT Tx called too frequently
+  * CHANGED:   aud_to_host buffer size and the condition to come out of underflow
+    in decoupler to fix buffer underflow seen in ADAT tests
 
 4.0.0
 -----