minor comment update

Small corrections in Lissajous comments

wled00/FX.cpp

@@ -5103,8 +5103,8 @@ uint16_t mode_2DLissajous(void) {            // By: Andrew Tuline
     //float ylocn = float(cos8(now/4+i*2)) / 255.0f;
     uint_fast8_t xlocn = sin8(phase/2 + (i*SEGMENT.speed)/32);
     uint_fast8_t ylocn = cos8(phase/2 + i*2);
-    xlocn = (cols < 2) ? 1 : (map(2*xlocn, 0,511, 0,2*(cols-1)) +1) /2;    // softhack007: "*2 +1" for proper rounding
-    ylocn = (rows < 2) ? 1 : (map(2*ylocn, 0,511, 0,2*(rows-1)) +1) /2;    // "rows > 2" is needed to avoid div/0 in map()
+    xlocn = (cols < 2) ? 1 : (map(2*xlocn, 0,511, 0,2*(cols-1)) +1) /2;    // softhack007: "(2* ..... +1) /2" for proper rounding
+    ylocn = (rows < 2) ? 1 : (map(2*ylocn, 0,511, 0,2*(rows-1)) +1) /2;    // "rows > 1" is needed to avoid div/0 in map()
     SEGMENT.setPixelColorXY((uint8_t)xlocn, (uint8_t)ylocn, SEGMENT.color_from_palette(millis()/100+i, false, PALETTE_SOLID_WRAP, 0));
   }