client.go | 6 +++++-

diff --git a/client.go b/client.go
index 5caaf76a5d2c23a24112cd5711ee14069af8e16a..3b36a19dae892710f17514b5ffc1dc6e3c0dde20 100644
--- a/client.go
+++ b/client.go
@@ -714,6 +714,7 @@ 	}
 	return
 }
 
+// Returns whether an address is known to connect to a client with our own ID.
 func (me *Client) dopplegangerAddr(addr string) bool {
 	_, ok := me.dopplegangerAddrs[addr]
 	return ok
@@ -1838,7 +1839,10 @@ }
 
 func (me *Client) addPeers(t *torrent, peers []Peer) {
 	for _, p := range peers {
-		if me.dopplegangerAddr(net.JoinHostPort(p.IP.String(), strconv.FormatInt(int64(p.Port), 10))) {
+		if me.dopplegangerAddr(net.JoinHostPort(
+			p.IP.String(),
+			strconv.FormatInt(int64(p.Port), 10),
+		)) {
 			continue
 		}
 		if me.ipBlockRange(p.IP) != nil {