f - Rephrase update_best_block docs

Author: jkczyz

lightning/src/chain/channelmonitor.rs

@@ -1362,10 +1362,9 @@ impl<Signer: Sign> ChannelMonitor<Signer> {
 	/// block.
 	///
 	/// Must be called after new blocks become available for the most recent block. Intermediary
-	/// blocks, however, may be safely skipped. For a chain reorganization, must either be:
-	/// * called at at the fork point and then again for the most recent block -- intermediary
-	///   blocks may be skipped as before -- or
-	/// * not called in favor of calling [`transaction_unconfirmed`] for any affected transactions.
+	/// blocks, however, may be safely skipped. In the event of a chain re-organization, this only
+	/// needs to be called for the most recent block assuming `transaction_unconfirmed` is called
+	/// for any affected transactions.
 	///
 	/// [`block_connected`]: Self::block_connected
 	/// [`transactions_confirmed`]: Self::transactions_confirmed