diff --git a/docs/01_03_delegate.dox b/docs/01_03_delegate.dox
index 2d30e65..b3caf8c 100644
--- a/docs/01_03_delegate.dox
+++ b/docs/01_03_delegate.dox
@@ -109,6 +109,8 @@
 
 - MINIMUM
 
+- MIRROR_PAD
+
 - MUL
 
 - NEG