fix comment

Author: SWvheerden

src/ln/msgs.rs

@@ -586,7 +586,8 @@ pub trait RoutingMessageHandler : Send + Sync {
 	fn handle_channel_update(&self, msg: &ChannelUpdate) -> Result<bool, HandleError>;
 	/// Handle some updates to the route graph that we learned due to an outbound failed payment.
 	fn handle_htlc_fail_channel_update(&self, update: &HTLCFailChannelUpdate);
-	///This returns a vec of vec's, one for ChannelAnnouncements, one for ChannelUpdates and one for NodeAnnouncements. It also returns the id of the last channel passed through
+	///This returns a vec tuple of (ChannelAnnouncements,  ChannelUpdates, NodeAnnouncements NodeAnnouncements). It also returns the id of the last channel passed through
+	/// This function requires -1 to start at the beginning.
 	fn get_next_announcements(&self, starting_point: i64, batch_amount: u8)->(Vec<(ChannelAnnouncement, ChannelUpdate, NodeAnnouncement, NodeAnnouncement)>, i64);
 }