diff --git a/readme.txt b/readme.txt
index 60f3f8646..9a7985b2d 100644
--- a/readme.txt
+++ b/readme.txt
@@ -123,6 +123,8 @@
 - RT:  Merged RT4.
 - NIL: Merged NIL2.
 - NIL: Added STM32F7 demo.
+- HAL: Fixed extra brackets in STM32F0 registry (bug #771)(backported
+       to 16.1.6).
 - HAL: Fixed STM32 CAN filters initialization problem (bug #770)(backported
        to 16.1.6, 3.0.6, 2.6.10).
 - HAL: Fixed wrong bit mask in STM32L0xx port (bug #769)(backported to 16.1.6).