diff --git a/os/hal/ports/STM32/STM32L4xx/hal_lld.c b/os/hal/ports/STM32/STM32L4xx/hal_lld.c
index 73d229c78..273c24272 100644
--- a/os/hal/ports/STM32/STM32L4xx/hal_lld.c
+++ b/os/hal/ports/STM32/STM32L4xx/hal_lld.c
@@ -80,7 +80,7 @@ static void hal_lld_backup_domain_init(void) {
   while ((RCC->CR & RCC_CR_MSIRDY) == 0)
     ;                                       /* Wait until MSI is stable.    */
 #endif
-  
+
 #if HAL_USE_RTC
   /* If the backup domain hasn't been initialized yet then proceed with
      initialization.*/
diff --git a/readme.txt b/readme.txt
index 7f60180a9..f3b5dd7d0 100644
--- a/readme.txt
+++ b/readme.txt
@@ -123,6 +123,8 @@
 - RT:  Merged RT4.
 - NIL: Merged NIL2.
 - NIL: Added STM32F7 demo.
+- HAL: Fixed potential wait states problem in STM32L4 initialization code
+       (bug #768)(backported to 16.1.6).
 - HAL: Fixed SDIO driver not compiling on STM32F446 devices (bug #767)
        (backported to 16.1.6).
 - HAL: Fixed error in STM32L4xx ST headers (bug #766)(backported to 16.1.6).