@@ -640,7 +640,7 @@ static void visu_update(void) {
if (visu.mode == VISU_VUMETER) {
s16_t *iptr = visu_export.buffer;
- // calculate sum(X²), try to not overflow at the expense of some precision
+ // calculate sum(L²+R²), try to not overflow at the expense of some precision
for (int i = RMS_LEN; --i >= 0;) {
visu.bars[0].current += (*iptr * *iptr + (1 << (RMS_LEN_BIT - 2))) >> (RMS_LEN_BIT - 1);
iptr++;