diff --git a/pkg/bootstrap/bootstrap.go b/pkg/bootstrap/bootstrap.go
index 4bebd9b..b49f41c 100644
--- a/pkg/bootstrap/bootstrap.go
+++ b/pkg/bootstrap/bootstrap.go
@@ -112,7 +112,7 @@ func FetchSandboxDetails(ctx context.Context, sid, token, serverURL string) (*Sa
 		return nil, err
 	}
 	if resp.StatusCode == 404 {
-		return nil, fmt.Errorf("Sandbox not found: %s", sid)
+		return nil, fmt.Errorf("sandbox not found: %s", sid)
 	}
 	if resp.StatusCode != 200 {
 		return nil, errors.New(resp.Status)