diff --git a/readme.txt b/readme.txt
index 2998900aa..31c515561 100644
--- a/readme.txt
+++ b/readme.txt
@@ -84,6 +84,7 @@
 
 *** 2.5.1 ***
 - FIX: Fixed problem in STM32F1xx USB driver after revision 4598 (bug 3569374).
+- FIX: Fixed FatFS timestamp incorrect (bug 3568626).
 - FIX: Fixed GPIO glitch during PAL initialization (bug 3569347)(backported
   to 2.4.3).
 - FIX: Fixed Data available event not generated in serial_usb driver (bug