diff --git a/protocol/protocol.tex b/protocol/protocol.tex
index c5885bcd..91451710 100644
--- a/protocol/protocol.tex
+++ b/protocol/protocol.tex
@@ -4350,6 +4350,13 @@ is injective on points in $G$, hence so is $\ExtractJ$.
 
 }
 
+\sapling{
+\nsubsubsubsection{\GroupHash{} into \Jubjub} \label{grouphashjubjub}
+
+\todo{}
+
+}
+
 
 \nsubsubsection{\ZeroKnowledgeProvingSystems}