misc: clarifications from cdecker review.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

connectd/multiplex.h

@@ -22,7 +22,7 @@ void multiplex_final_msg(struct peer *peer,
 			 const u8 *final_msg TAKES);
 
 /* Inject a message into the output stream.  Unlike a raw msg_enqueue,
- * this does io logging if required. */
+ * this does io logging. */
 void inject_peer_msg(struct peer *peer, const u8 *msg TAKES);
 
 void setup_peer_gossip_store(struct peer *peer,

gossipd/gossip_generation.c

@@ -821,6 +821,12 @@ void handle_used_local_channel_update(struct daemon *daemon, const u8 *msg)
 					     &scid));
 		return;
 	}
+
+	/* This whole idea is racy: they might have used a *previous* update.
+	 * But that's OK: the notification is an optimization to avoid
+	 * broadcasting updates we never use (route flapping).  In this case,
+	 * we might broadcast a more recent update than the one we sent to a
+	 * peer. */
 	local_channel_update_latest(daemon, chan);
 }
 

gossipd/gossipd.c

@@ -442,7 +442,7 @@ static void handle_recv_gossip(struct daemon *daemon, const u8 *outermsg)
 
 	peer = find_peer(daemon, &id);
 	if (!peer) {
-		status_broken("connectd sent gossip msg %s for unknown peer %s",
+		status_broken("connectd sent gossip msg %s from unknown peer %s",
 			      peer_wire_name(fromwire_peektype(msg)),
 			      type_to_string(tmpctx, struct node_id, &id));
 		return;