Fix doc typo introduced in the ChannelKeys->Sign renaming

diff --git a/lightning/src/chain/keysinterface.rs b/lightning/src/chain/keysinterface.rs
index 26654d7a8de57fc037cf88635c0935024d0ea20b..89557b43670202f700c38939c3ff5506bb44b63e 100644 (file)
--- a/lightning/src/chain/keysinterface.rs
+++ b/lightning/src/chain/keysinterface.rs
@@ -826,8 +826,8 @@ impl KeysManager {
                        Err(_) => panic!("Your rng is busted"),
                }
        }
-       /// Derive an old set of Sign for per-channel secrets based on a key derivation
-       /// parameters.
+       /// Derive an old Sign containing per-channel secrets based on a key derivation parameters.
+       ///
        /// Key derivation parameters are accessible through a per-channel secrets
        /// Sign::channel_keys_id and is provided inside DynamicOuputP2WSH in case of
        /// onchain output detection for which a corresponding delayed_payment_key must be derived.