diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index 3bb9b0e..9223c43 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -10,6 +10,8 @@
 Milestone 79
 
 [Insert new notes here.]
+  * Added support for PQ and HLG transfer functions to SkColorSpace.
+
   * Added new api on GrContext ComputeImageSize. This replaces the hold static helper
     ComputeTextureSize.