diff --git a/development/FORMAT b/development/FORMAT
index 8523915c63..13dad66442 100644
--- a/development/FORMAT
+++ b/development/FORMAT
@@ -7,7 +7,7 @@ changes happened in particular if possible. A good example would be
 
 -----------------------
 
-2017-04-02 Uwe Stöhr <uwestoehr@web.de>
+2017-04-08 Uwe Stöhr <uwestoehr@web.de>
  	* Format incremented to 539: support for \baselineskip.
  	  - new length unit BLS