f clearer comment

Author: TheBlueMatt

lightning/src/ln/peer_handler.rs

@@ -676,8 +676,8 @@ pub struct PeerManager<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: D
 	/// lock held. Entries may be added with only the `peers` read lock held (though the
 	/// `Descriptor` value must already exist in `peers`).
 	node_id_to_descriptor: Mutex<HashMap<PublicKey, Descriptor>>,
-	/// We can only have one thread processing events at once, but if another call to
-	/// `process_events` happens while a second call is in progress, one of the two calls needs to
+	/// We can only have one thread processing events at once, but if second call to
+	/// `process_events` happens while a first call is in progress, one of the two calls needs to
 	/// start from the top to ensure any new messages are also handled.
 	///
 	/// Because the event handler calls into user code which may block, we don't want to block a