diff --git a/doc/ChangeLog b/doc/ChangeLog
index 899fc7f34..89eb8cc11 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,11 @@
+2011-03-11  vadim  <vadim@netcitadel.com>
+
+	* FWObject.cpp (add): fixes #2209 "do not allow the same object to
+	be child of different objects in the tree". Method FWObject::add()
+	enforces this. Subsequent clean-up and fixes in many places to
+	follow this logic. This makes code much cleaner, better organized
+	and more reliable.
+
 2011-03-10  vadim  <vadim@netcitadel.com>
 
 	* libfwbuilder/src/fwcompiler/Compiler.cpp (Compiler): see #2207