3.2: add new WIP/Start Review workflow to release-notes

Change-Id: Idc090980e966fb2118a0229bfe6782509f1ee443
diff --git a/pages/site/releases/3.2.md b/pages/site/releases/3.2.md
index a05d9b9..a2ece17 100644
--- a/pages/site/releases/3.2.md
+++ b/pages/site/releases/3.2.md
@@ -111,6 +111,9 @@
 
 * The reply dialog now shows the entire comment thread instead of the comment list.
 
+* [Issue 6293](https://bugs.chromium.org/p/gerrit/issues/detail?id=6293):
+More self-evident transitions from WIP state. "Start Review" button added to change view.
+
 * [Issue 10444](https://bugs.chromium.org/p/gerrit/issues/detail?id=10444):
 UI for deleting change messages for Gerrit Administrators.