config.go  | 3 ++-
 torrent.go | 1 +

diff --git a/config.go b/config.go
index 1f2330005ad69fc3dac81b14484a5eded19585a2..d65019a17ec485634d9e7e83c55b527c8ffe74a6 100644
--- a/config.go
+++ b/config.go
@@ -35,7 +35,8 @@ 	DisableTCP bool `long:"disable-tcp"`
 	// Don't automatically load "$ConfigDir/blocklist".
 	NoDefaultBlocklist bool
 	// Defaults to "$HOME/.config/torrent". This is where "blocklist",
-	// "torrents" and other operational files are stored.
+	// "torrents" and other operational files are stored. TODO: Dump this
+	// stuff, this is specific to the default cmd/torrent client only.
 	ConfigDir string
 	// Don't save or load to a cache of torrent files stored in
 	// "$ConfigDir/torrents".
diff --git a/torrent.go b/torrent.go
index 53b5788f930c44b1b7966dde52ca9728afa17e60..589bff887ba6b9406cbe6e58e00295365e67e33f 100644
--- a/torrent.go
+++ b/torrent.go
@@ -551,6 +551,7 @@ func (t *torrent) numPiecesCompleted() (num int) {
 	return t.completedPieces.Len()
 }
 
+// Safe to call with or without client lock.
 func (t *torrent) isClosed() bool {
 	select {
 	case <-t.closing: