diff --git a/lib/led_tm1637.h b/lib/led_tm1637.h
index 6559234..0a5803b 100644
--- a/lib/led_tm1637.h
+++ b/lib/led_tm1637.h
@@ -2,12 +2,11 @@
  *  @file
  *  @author King Kévin <kingkevin@cuvoodoo.info>
  *  @copyright SPDX-License-Identifier: GPL-3.0-or-later
- *  @date 2017-2020
+ *  @date 2017-2022
  *  @note peripherals used: GPIO @ref led_tm1637_gpio, timer @ref led_tm1637_timer
  *  @warning all calls are blocking
  */
 #pragma once
-#error not converted for STM32F4
 
 /** display brightness levels
  */