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diff --git a/include/core/system.h b/include/core/system.h
index e978988..ea037ca 100644 (file)
--- a/include/core/system.h
+++ b/include/core/system.h
@@ -136,7 +136,8 @@ void systick_timer_on(uint32_t ms);
 void systick_timer_off(void);
 
 
-/* Sleeping functions */
+/***************************************************************************** */
+/* Sleeping functions : these use systick */
 
 /* Set the sleep countdown value
  * A sleep will end when this value reaches 0