diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index b304646b..28203676 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -114,7 +114,7 @@
 
 - Joshua Warner
   Multichannel random walker segmentation, unified peak finder backend,
-  n-dimensional array padding, bug and doc fixes.
+  n-dimensional array padding, marching cubes, bug and doc fixes.
 
 - Petter Strandmark
   Perimeter calculation in regionprops.