f fix broadcast-check comment

Author: TheBlueMatt

lightning/src/chain/channelmonitor.rs

@@ -1908,9 +1908,11 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
 						continue;
 					}
 				} else if htlc.0.cltv_expiry > self.best_block.height() + 1 {
-					// Don't broadcast HTLC-Timeout transactions immediately as they dont' meet the
-					// current locktime requirements on-chain. We will broadcast them when the
-					// commitment transaction confirms automatically.
+					// Don't broadcast HTLC-Timeout transactions immediately as they don't meet the
+					// current locktime requirements on-chain. We will broadcast them in
+					// `block_confirmed` when `would_broadcast_at_height` returns true.
+					// Note that we add + 1 as transactions are broadcastable when they can be
+					// confirmed in the next block, not the current height.
 					continue;
 				} else { None };
 				if let Some(htlc_tx) = self.onchain_tx_handler.get_fully_signed_htlc_tx(