diff --git a/src/read.c b/src/read.c
index 36a9058..0c0fb89 100644
--- a/src/read.c
+++ b/src/read.c
@@ -3369,8 +3369,9 @@
 static avifBool avifTilesCanBeDecodedWithSameAV1Decoder(avifDecoderData * data)
 {
     if (data->color.tileCount == 1 && data->alpha.tileCount == 1) {
-        // Single tile image with alpha plane. In this case each tile needs its own decoder since the planes will be "stolen".
-        // Stealing either the color or the alpha plane will invalidate the other one when decode is called the second time.
+        // Single tile image with single tile alpha plane. In this case each tile needs its own decoder since the planes will be
+        // "stolen". Stealing either the color or the alpha plane will invalidate the other one when decode is called the second
+        // time.
         return AVIF_FALSE;
     }
     const uint8_t firstTileOperatingPoint = data->tiles.tile[0].operatingPoint;
@@ -3407,8 +3408,8 @@
         //     and do not allow it to be changed later).
         //   - All the tiles must have the same value for allLayers (because AV1 decoders take allLayers once at initialization
         //     and do not allow it to be changed later).
-        //   - If the image has a single tile, it must not have an alpha plane (in this case we will steal the planes from the
-        //     decoder, so we cannot use the same decoder for both the color and the alpha planes).
+        //   - If the image has a single tile, it must not have a single tile alpha plane (in this case we will steal the planes
+        //     from the decoder, so we cannot use the same decoder for both the color and the alpha planes).
         // Otherwise, we will use |tiles.count| decoder instances (one instance for each tile).
         avifBool canUseSingleDecoder = (data->tiles.count == 1) ||
                                        (decoder->imageCount == 1 && avifTilesCanBeDecodedWithSameAV1Decoder(data));