diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index a0d7634f5b..d9df42b58c 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -1081,6 +1081,7 @@ To learn more about what's new in 2.12, read the corresponding
         and the range of API levels for which they are supported is too small to
         be useful.
     *   Remove generic types from DRM components.
+    *   Rename `DefaultDrmSessionEventListener` to `DrmSessionEventListener`.
 *   Track selection:
     *   Add `TrackSelection.shouldCancelMediaChunkLoad` to check whether an
         ongoing load should be canceled