diff --git a/CHANGELOG b/CHANGELOG
index e9b0ab1..e8e0dd2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,8 +3,8 @@
     * Removed DCHECK that would cause crashes when a debug build of the service
       is used with a producer built with -DNDEBUG.
   Trace Processor:
-    * Added "ancestor_slice_by_stack" table function to lookup slice ancestors
-      based on their stack_id.
+    * Added "ancestor_slice_by_stack" and "descendant_slice_by_stack" table
+      functions to walk up and down the slice stacks.
   UI:
     *
   SDK: