f Antoine feedback on spec deviation comment

lightning/src/ln/channel.rs

@@ -1810,8 +1810,9 @@ impl<ChanSigner: ChannelKeys> Channel<ChanSigner> {
 		}
 
 		if !self.channel_outbound {
-			// `+1` for this HTLC, `2 *` and `+1` fee spike buffer we keep for the remote (this deviates from the spec
-			// but should help protect us from stuck channels).
+			// `+1` for this HTLC, `2 *` and `+1` fee spike buffer we keep for the remote. This deviates from the
+			// spec because in the spec, the fee spike buffer requirement doesn't exist on the receiver's side,
+			// only on the sender's.
 			// Note that when we eventually remove support for fee updates and switch to anchor output fees,
 			// we will drop the `2 *`, since we no longer be as sensitive to fee spikes. But, keep the extra +1
 			// as we should still be able to afford adding this HTLC plus one more future HTLC, regardless of