diff --git a/Source/StatisticsFunctions/arm_power_f32.c b/Source/StatisticsFunctions/arm_power_f32.c
index afe40cd4..28ed7be7 100644
--- a/Source/StatisticsFunctions/arm_power_f32.c
+++ b/Source/StatisticsFunctions/arm_power_f32.c
@@ -43,6 +43,10 @@
   </pre>
 
   There are separate functions for floating point, Q31, Q15, and Q7 data types.
+
+  Since the result is not divided by the length, those functions are in fact computing
+  something which is more an energy than a power.
+
  */
 
 /**