f clarify somewhat

Author: TheBlueMatt

lightning/src/ln/channel.rs

@@ -4725,8 +4725,8 @@ impl<Signer: Sign> Channel<Signer> {
 
 	/// Gets an UnsignedChannelAnnouncement for this channel. The channel must be publicly
 	/// announceable and available for use (have exchanged FundingLocked messages in both
-	/// directions). Should be used for both loose and in response to an AnnouncementSignatures
-	/// message from the remote peer.
+	/// directions). Should be used for both broadcasted announcements and in response to an
+	/// AnnouncementSignatures message from the remote peer.
 	///
 	/// Will only fail if we're not in a state where channel_announcement may be sent (including
 	/// closing).