diff --git a/pkgs/http_client_conformance_tests/lib/src/response_status_line_tests.dart b/pkgs/http_client_conformance_tests/lib/src/response_status_line_tests.dart
index f328e6e9c3..b618fa099c 100644
--- a/pkgs/http_client_conformance_tests/lib/src/response_status_line_tests.dart
+++ b/pkgs/http_client_conformance_tests/lib/src/response_status_line_tests.dart
@@ -37,7 +37,7 @@ void testResponseStatusLine(Client client) async {
       httpServerChannel.sink.add('HTTP/1.1 201');
       final response = await client.get(Uri.http(host, ''));
       expect(response.statusCode, 201);
-      // Any empty Reason-Phrase is allowed according to RFC-2616. Any of these
+      // An empty Reason-Phrase is allowed according to RFC-2616. Any of these
       // interpretations seem reasonable.
       expect(response.reasonPhrase, anyOf(isNull, '', 'Created'));
     });