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diff --git a/include/core/systick.h b/include/core/systick.h
index 9090a2c..7c5f593 100644 (file)
--- a/include/core/systick.h
+++ b/include/core/systick.h
@@ -77,7 +77,8 @@ uint32_t systick_get_tick_ms_period(void);
  * is about 50 days with a 1ms system tick. */
 uint32_t systick_get_tick_count(void);
 
-/* Get the number of clock cycles ... since last wrapping of the counter. */
+/* Get the number of clock cycles ... since last wrapping of the counter which happens once in
+ * every 90 seconds with a 48MHz clock */
 uint32_t systick_get_clock_cycles(void);
 
 /* Power up the system tick timer.