diff --git a/readme.txt b/readme.txt
index 88f8c8d0d..e9ff9c40a 100644
--- a/readme.txt
+++ b/readme.txt
@@ -86,7 +86,8 @@
   3591321)(backported to 2.4.3).
 - FIX: Fixed different redefinition for __main_stack_end__ symbol (bug
   3591317)(backported to 2.4.3).
-- FIX: Fixed errors in STM32F0xx UART driver (bug 3589412).
+- FIX: Fixed errors in STM32F0xx UART driver (bug 3589412)(backported
+  to 2.4.3).
 - FIX: Fixed workaround for errata in STM32F4-A devices (bug 3586425)
   (backported to 2.4.3).
 - FIX: Fixed error in palWritePad() macro (bug 3586230)(backported to 2.2.10