diff --git a/tests/functional/fileupload_form_test.php b/tests/functional/fileupload_form_test.php
index 3db389b4f9..99afcfdc3d 100644
--- a/tests/functional/fileupload_form_test.php
+++ b/tests/functional/fileupload_form_test.php
@@ -65,7 +65,7 @@ class phpbb_functional_fileupload_form_test extends phpbb_functional_test_case
 	{
 		$crawler = $this->upload_file('valid.jpg', 'image/jpeg');
 		$this->assert_response_success();
-		# error message
+		// ensure there was no error message rendered
 		$this->assertNotContains('<h2>' . $this->lang('INFORMATION') . '</h2>', $this->client->getResponse()->getContent());
 		$this->assertContains($this->lang('POSTED_ATTACHMENTS'), $crawler->filter('#postform h3')->eq(1)->text());
 	}