1 files changed, 2 insertions, 1 deletions

diff --git a/todo.txt b/todo.txt
index b5183c7e1..7e16194b9 100644
--- a/todo.txt
+++ b/todo.txt
@@ -19,7 +19,8 @@ Within 2.3.x (hopefully)
 * Improvements to the message passing mechanism in order to allow "delayed,

   out of order, responses".

 * New device driver models: GPT.

-- Add UART4 support to the STM32 UART driver.

+- Add UART4 support to the STM32 UART driver (CL line only, HD has a nasty

+  shared interrupt).

 - Add ADC3 support to the STM32 ADC driver.

 ? Make thread functions return void and add a CH_THREAD macro for threads

   declaration in order to hide compiler-specific optimizations for thread