diff --git a/src/clock.c b/src/clock.c
index 77516b377508da8e55e35e59b39faaddb3a8a5f9..1136c95fb1a6dde916b0598b089900623273c4a2 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -14,7 +14,7 @@
  * 2011-06-26     Bernard      add rt_tick_set function.
  * 2018-11-22     Jesven       add per cpu tick
  * 2020-12-29     Meco Man     implement rt_tick_get_millisecond()
- * 2021-06-01     Meco Man     add critical section projection for rt_tick_increase()
+ * 2021-06-01     Meco Man     add critical section projection for rt_tick_increase() 
  */
 
 #include <rthw.h>