diff --git a/zebra-chain/src/sapling/note/ciphertexts.rs b/zebra-chain/src/sapling/note/ciphertexts.rs
index 47f9309d..b7289190 100644
--- a/zebra-chain/src/sapling/note/ciphertexts.rs
+++ b/zebra-chain/src/sapling/note/ciphertexts.rs
@@ -6,6 +6,8 @@ use proptest::{arbitrary::any, prelude::*};
 use crate::serialization::{serde_helpers, SerializationError, ZcashDeserialize, ZcashSerialize};
 
 /// A ciphertext component for encrypted output notes.
+///
+/// Corresponds to the Sapling 'encCiphertext's
 #[derive(Deserialize, Serialize)]
 pub struct EncryptedNote(#[serde(with = "serde_helpers::BigArray")] pub [u8; 580]);