diff --git a/development/ChangeLog b/development/ChangeLog
index 5e0069d129..207a852da1 100644
--- a/development/ChangeLog
+++ b/development/ChangeLog
@@ -1,3 +1,7 @@
+2005-01-24  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
+
+	* FORMAT: document change to format 240.
+
 2004-10-11  Georg Baum  <Georg.Baum@post.rwth-aachen.de>
 
 	* lyx.spec.in: fix spec file if it is generated by
diff --git a/development/FORMAT b/development/FORMAT
index 7bd5e0a94b..3190524cd9 100644
--- a/development/FORMAT
+++ b/development/FORMAT
@@ -1,6 +1,14 @@
 LyX file-format changes
 -----------------------
 
+2005-01-23  Jürgen Spitzmüller  <j.spitzmüller@gmx.de>
+
+	* format incremented to 240.
+	* new bufferparam: 
+		\output_changes {true|false}
+	(should the change tracking marks be visible in the output or not?)
+	* lyx2lyx should just delete the param in 239.
+
 2005-01-06  José Matos  <jamatos@lyx.org>
 
 	* format incremented to 239.