diff --git a/src/ImageSharp/Formats/Tiff/README.md b/src/ImageSharp/Formats/Tiff/README.md
index 8cb327a7b0..865b2f9c21 100644
--- a/src/ImageSharp/Formats/Tiff/README.md
+++ b/src/ImageSharp/Formats/Tiff/README.md
@@ -55,7 +55,7 @@
 |TransparencyMask           |       |       |                          |
 |Separated (TIFF Extension) |       |       |                          |
 |YCbCr (TIFF Extension)     |       |   Y   |                          |
-|CieLab (TIFF Extension)    |       |       |                          |
+|CieLab (TIFF Extension)    |       |   Y   |                          |
 |IccLab (TechNote 1)        |       |       |                          |
 
 ### Baseline TIFF Tags