From 9a20b20070dca2a32b6290d452d5198d6aabe723 Mon Sep 17 00:00:00 2001
From: Deirdre Connolly <deirdre@zfnd.org>
Date: Thu, 26 Mar 2020 22:20:20 -0400
Subject: [PATCH] Better doc comment for IncomingViewingKey

---
 zebra-chain/src/keys/sprout.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/zebra-chain/src/keys/sprout.rs b/zebra-chain/src/keys/sprout.rs
index e96d9c6ed..2a9520c81 100644
--- a/zebra-chain/src/keys/sprout.rs
+++ b/zebra-chain/src/keys/sprout.rs
@@ -88,7 +88,8 @@ impl From<SpendingKey> for PayingKey {
 /// Derived from a _ReceivingKey_.
 pub type TransmissionKey = x25519_dalek::PublicKey;
 
-///
+/// The recipient’s possession of the associated incoming viewing key
+/// is used to reconstruct the original note and memo field.
 pub struct IncomingViewingKey {
     paying_key: PayingKey,
     receiving_key: ReceivingKey,