diff --git a/zebra-chain/src/addresses/sapling.rs b/zebra-chain/src/addresses/sapling.rs
index e69de29b..3ef57c89 100644
--- a/zebra-chain/src/addresses/sapling.rs
+++ b/zebra-chain/src/addresses/sapling.rs
@@ -0,0 +1 @@
+//! Sapling Shielded Payment Address types.