diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index 62b50550c4..03c5520d9b 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -108,8 +108,8 @@ enum PixelFormat {
     PIX_FMT_BGR4,      ///< Packed RGB 1:2:1,  4bpp, (msb)1B 2G 1R(lsb)
     PIX_FMT_BGR4_BYTE, ///< Packed RGB 1:2:1,  8bpp, (msb)1B 2G 1R(lsb)
     PIX_FMT_RGB8,      ///< Packed RGB 3:3:2,  8bpp, (msb)2R 3G 3B(lsb)
-    PIX_FMT_RGB4,      ///< Packed RGB 1:2:1,  4bpp, (msb)2R 3G 3B(lsb)
-    PIX_FMT_RGB4_BYTE, ///< Packed RGB 1:2:1,  8bpp, (msb)2R 3G 3B(lsb)
+    PIX_FMT_RGB4,      ///< Packed RGB 1:2:1,  4bpp, (msb)1R 2G 1B(lsb)
+    PIX_FMT_RGB4_BYTE, ///< Packed RGB 1:2:1,  8bpp, (msb)1R 2G 1B(lsb)
     PIX_FMT_NV12,      ///< Planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 for UV
     PIX_FMT_NV21,      ///< as above, but U and V bytes are swapped