diff --git a/index.html b/index.html
index 84efe501..69e160e0 100644
--- a/index.html
+++ b/index.html
@@ -4127,6 +4127,10 @@ ActiveRecord::Base.include_root_in_json = false
parameters. Routes like search?query=…&page=3 should become
search/…/3.
+
+ Model#set no longer accepts another model as an argument. This leads
+ to subtle problems and is easily replaced with model.set(other.attributes).
+
— March 21, 2012 — Diff — Docs