diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 3bbfe5d0..7318049a 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -226,4 +226,4 @@
   Adaptation of ImageJ 3D skeletonization algorithm.
 
 - Alex Izvorski
-  Color spaces
+  Color spaces for YUV and related spaces