diff --git a/lib/ir_nec.c b/lib/ir_nec.c
index f3a265f..9f5883c 100644
--- a/lib/ir_nec.c
+++ b/lib/ir_nec.c
@@ -15,7 +15,7 @@
 /** library to decode InfraRed NEC code
  *  @file
  *  @author King Kévin <kingkevin@cuvoodoo.info>
- *  @date 2018
+ *  @date 2018-2020
  *  @note peripherals used: timer channel @ref ir_nec_timer
  */
 
diff --git a/lib/ir_nec.h b/lib/ir_nec.h
index 81cb341..8e09096 100644
--- a/lib/ir_nec.h
+++ b/lib/ir_nec.h
@@ -15,7 +15,7 @@
 /** library to decode InfraRed NEC code
  *  @file
  *  @author King Kévin <kingkevin@cuvoodoo.info>
- *  @date 2018
+ *  @date 2018-2020
  *  @note peripherals used: timer channel @ref ir_nec_timer
  */
 #pragma once