meta: update docs to reflect the code

The code documentation is outdated after the commit 935a716

Signed-off-by: Vincenzo Palazzo <[email protected]>

Author: vincenzopalazzo

lightning/src/ln/chan_utils.rs

@@ -436,7 +436,7 @@ pub struct ChannelPublicKeys {
 	/// The public key which is used to sign all commitment transactions, as it appears in the
 	/// on-chain channel lock-in 2-of-2 multisig output.
 	pub funding_pubkey: PublicKey,
-	/// The base point which is used (with derive_public_revocation_key) to derive per-commitment
+	/// The base point which is used (with RevocationKey::from_basepoint) to derive per-commitment
 	/// revocation keys. This is combined with the per-commitment-secret generated by the
 	/// counterparty to create a secret which the counterparty can reveal to revoke previous
 	/// states.