diff --git a/sign/impl.go b/sign/impl.go
index e90d32f..f4bbc59 100644
--- a/sign/impl.go
+++ b/sign/impl.go
@@ -67,7 +67,9 @@ type impl interface {
 	NewRekorClient(string) (*client.Rekor, error)
 }
 
-func (*defaultImpl) VerifyFileInternal(ctx context.Context, ko sign.KeyOpts, outputSignature, outputCertificate, path string) error {
+func (*defaultImpl) VerifyFileInternal(ctx context.Context, ko sign.KeyOpts, outputSignature, // nolint: gocritic
+	outputCertificate, path string,
+) error {
 	return verify.VerifyBlobCmd(ctx, ko, outputCertificate, "", "", "", outputSignature, path, false)
 }
 
@@ -175,6 +177,6 @@ func (*defaultImpl) PayloadBytes(blobRef string) (blobBytes []byte, err error) {
 	return blobBytes, nil
 }
 
-func (*defaultImpl) NewRekorClient(rekorUrl string) (*client.Rekor, error) {
-	return rekor.NewClient(rekorUrl)
+func (*defaultImpl) NewRekorClient(rekorURL string) (*client.Rekor, error) {
+	return rekor.NewClient(rekorURL)
 }
diff --git a/sign/sign.go b/sign/sign.go
index b683398..33f1d5d 100644
--- a/sign/sign.go
+++ b/sign/sign.go
@@ -342,11 +342,10 @@ func (s *Signer) IsImageSigned(imageRef string) (bool, error) {
 // IsFileSigned takes an path reference and retrusn true if there is a signature
 // available for it. It makes no signature verification, only checks to see if
 // more then one signature is available.
-func (s *Signer) IsFileSigned(ctx context.Context, ko sign.KeyOpts, path string) (bool, error) {
-
+func (s *Signer) IsFileSigned(ctx context.Context, ko sign.KeyOpts, path string) (bool, error) { // nolint: gocritic
 	rClient, err := s.impl.NewRekorClient(ko.RekorURL)
 	if err != nil {
-		return false, fmt.Errorf("creating rekor client", err)
+		return false, fmt.Errorf("creating rekor client: %w", err)
 	}
 
 	blobBytes, err := s.impl.PayloadBytes(path)
diff --git a/sign/sign_test.go b/sign/sign_test.go
index f642a8a..5001a77 100644
--- a/sign/sign_test.go
+++ b/sign/sign_test.go
@@ -211,7 +211,7 @@ func TestSignFile(t *testing.T) {
 	}{
 		{ // Success
 			prepare: func(mock *signfakes.FakeImpl) {
-				mock.VerifyFileInternalReturns(&sign.SignedObject{}, nil)
+				mock.VerifyFileInternalReturns(nil)
 			},
 			assert: func(obj *sign.SignedObject, err error) {
 				require.NotNil(t, obj)
@@ -222,7 +222,7 @@ func TestSignFile(t *testing.T) {
 		},
 		{ // Failure on Verify
 			prepare: func(mock *signfakes.FakeImpl) {
-				mock.VerifyFileInternalReturns(nil, errTest)
+				mock.VerifyFileInternalReturns(errTest)
 			},
 			assert: func(obj *sign.SignedObject, err error) {
 				require.NotNil(t, err)