diff --git a/internal/signature/golden_test.go b/internal/signature/golden_test.go
index 5d18f43..26385e0 100644
--- a/internal/signature/golden_test.go
+++ b/internal/signature/golden_test.go
@@ -111,7 +111,7 @@ func TestSigner_GoldenVectors(t *testing.T) {
 
 			gotPath, _, _ := signer.GenerateSignedURL(&urlReq, time.Hour)
 			if gotPath != tt.wantSignedPath {
-				t.Errorf("GenerateSignedURL() path = %q, want %q (layout changed?)",
+				t.Errorf("GenerateSignedURL() path = %q, want %q (signed URL layout changed?)",
 					gotPath, tt.wantSignedPath)
 			}
 		})