diff --git a/api/internal/gtin/gtin_test.go b/api/internal/gtin/gtin_test.go
index e380552..3e13f96 100644
--- a/api/internal/gtin/gtin_test.go
+++ b/api/internal/gtin/gtin_test.go
@@ -34,7 +34,7 @@ func TestNormalizeRejects(t *testing.T) {
 		{"", ErrEmpty},
 		{"12ab5678", ErrFormat},
 		{"12345", ErrFormat},
-		{"5449000000997", ErrCheck},       // bad check digit
+		{"5449000000997", ErrCheck},      // bad check digit
 		{"2012345678903", ErrRestricted}, // 20-29 in-store EAN-13
 		{"0212345678909", ErrRestricted}, // 02x variable measure
 		{"212345678909", ErrRestricted},  // UPC number system 2