storage/completion.go | 2 +-

diff --git a/storage/completion.go b/storage/completion.go
index 3d2e4d77dd191e85082ac04df9da6fc5740069c1..383a1d925244962ad5e350ae7ca1e1963d8d7735 100644
--- a/storage/completion.go
+++ b/storage/completion.go
@@ -8,7 +8,7 @@ )
 
 type PieceCompletionGetSetter interface {
 	Get(metainfo.PieceKey) (Completion, error)
-	Set(metainfo.PieceKey, bool) error
+	Set(_ metainfo.PieceKey, complete bool) error
 }
 
 // Implementations track the completion of pieces. It must be concurrent-safe.