[test] fixed typo in test_format_note (test_YoutubeDL)
diff --git a/test/test_YoutubeDL.py b/test/test_YoutubeDL.py
index 8735013f727..e794cc97f0e 100644
--- a/test/test_YoutubeDL.py
+++ b/test/test_YoutubeDL.py
@@ -67,7 +67,7 @@ def test_prefer_free_formats(self):
         downloaded = ydl.downloaded_info_dicts[0]
         self.assertEqual(downloaded['ext'], 'mp4')
 
-        # No prefer_free_formats => prefer mp4 and flv for greater compatibilty
+        # No prefer_free_formats => prefer mp4 and flv for greater compatibility
         ydl = YDL()
         ydl.params['prefer_free_formats'] = False
         formats = [
@@ -279,7 +279,7 @@ def test_format_note(self):
         self.assertEqual(ydl._format_note({}), '')
         assertRegexpMatches(self, ydl._format_note({
             'vbr': 10,
-        }), '^x\s*10k$')
+        }), '^\s*10k$')
 
 if __name__ == '__main__':
     unittest.main()

This test was introduced in c57f7757101690681af2eb8c40c8bf81bbe6e64f.
For some reason, it tests if the format note begins with an `x` which is never the case?
