diff --git a/docs/05_03_delegate.dox b/docs/05_03_delegate.dox
index b3caf8c..625b253 100644
--- a/docs/05_03_delegate.dox
+++ b/docs/05_03_delegate.dox
@@ -73,6 +73,8 @@
 
 - GATHER
 
+- GATHER_ND
+
 - GREATER
 
 - GREATER_OR_EQUAL