--- a/layout/svg/nsSVGMaskFrame.cpp
+++ b/layout/svg/nsSVGMaskFrame.cpp
@@ -73,19 +73,19 @@ ComputesRGBLuminanceMask(const uint8_t *
   if (mozilla::supports_neon()) {
     ComputesRGBLuminanceMask_NEON(aSourceData, aSourceStride,
                                   aDestData, aDestStride,
                                   aSize, aOpacity);
     return;
   }
 #endif
 
-  int32_t redFactor = 55 * aOpacity; // 255 * 0.2125 * opacity
+  int32_t redFactor = 55 * aOpacity;    // 255 * 0.2125 * opacity
   int32_t greenFactor = 183 * aOpacity; // 255 * 0.7154 * opacity
-  int32_t blueFactor = 18 * aOpacity; // 255 * 0.0721
+  int32_t blueFactor = 18 * aOpacity;   // 255 * 0.0721 * opacity
   int32_t sourceOffset = aSourceStride - 4 * aSize.width;
   const uint8_t *sourcePixel = aSourceData;
   int32_t destOffset = aDestStride - aSize.width;
   uint8_t *destPixel = aDestData;
 
   for (int32_t y = 0; y < aSize.height; y++) {
     for (int32_t x = 0; x < aSize.width; x++) {
       uint8_t a = sourcePixel[GFX_ARGB32_OFFSET_A];
@@ -108,19 +108,19 @@ ComputesRGBLuminanceMask(const uint8_t *
 static void
 ComputeLinearRGBLuminanceMask(const uint8_t *aSourceData,
                               int32_t aSourceStride,
                               uint8_t *aDestData,
                               int32_t aDestStride,
                               const IntSize &aSize,
                               float aOpacity)
 {
-  int32_t redFactor = 55 * aOpacity; // 255 * 0.2125 * opacity
+  int32_t redFactor = 55 * aOpacity;    // 255 * 0.2125 * opacity
   int32_t greenFactor = 183 * aOpacity; // 255 * 0.7154 * opacity
-  int32_t blueFactor = 18 * aOpacity; // 255 * 0.0721
+  int32_t blueFactor = 18 * aOpacity;   // 255 * 0.0721 * opacity
   int32_t sourceOffset = aSourceStride - 4 * aSize.width;
   const uint8_t *sourcePixel = aSourceData;
   int32_t destOffset = aDestStride - aSize.width;
   uint8_t *destPixel = aDestData;
 
   for (int32_t y = 0; y < aSize.height; y++) {
     for (int32_t x = 0; x < aSize.width; x++) {
       uint8_t a = sourcePixel[GFX_ARGB32_OFFSET_A];