diff --git a/development/FORMAT b/development/FORMAT
index 93b8004e68..07f7cc4121 100644
--- a/development/FORMAT
+++ b/development/FORMAT
@@ -14,12 +14,15 @@ adjustments are made to tex2lyx and bugs are fixed in lyx2lyx.
 
 2012-11-25 Kayvan Sylvan <kayvan@sylvan.com>
 	* Format incremented to 448: Change Noweb literate style Scrap
-	to Chunk to be consistent with all the other literate tools
-	(including noweb!) and add the needed preamble bits to Noweb module
-	support, also remove the literate-* layouts.
+	  to Chunk to be consistent with all the other literate tools
+	  (including noweb!) and add the needed preamble bits to Noweb
+	  module support, also remove the literate-* layouts.
 
 2012-11-24 Uwe Stöhr <uwestoehr@web.de>
-	* Format incremented to 447: IEEEtran layout revision.
+	* Format incremented to 447: No changes in the file format
+	  This format change was added to force the lyx2lyx conversion
+	  for layout files using the new InsetArgument feature.
+	  (see previous fileformat change 446)
 
 2012-11-19 Jürgen Spitzmüller <spitz@lyx.org>
 	* Format incremented to 446: Change of InsetArgument syntax.