diff --git a/internal/util/util.go b/internal/util/util.go
index ab71547e5..e0f6af620 100644
--- a/internal/util/util.go
+++ b/internal/util/util.go
@@ -28,7 +28,7 @@ const (
 
 // ComputePieceSize computes the piece size with specified fileLength.
 //
-// If the fileLength<0, which means failed to get fileLength
+// If the fileLength < 0, which means failed to get fileLength
 // and then use the DefaultPieceSize.
 func ComputePieceSize(length int64) uint32 {
 	if length <= 200*1024*1024 {