scripts/checklayer/common.py: Fixed a minor grammatical error

(From OE-Core rev: f4b21b2de13834b8308ef5a247cd632ef67dc591)

Signed-off-by: Dhruva Gole <goledhruva@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 8ea17456ae5318ed7a3b4c8f75c8441456d8b979)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/checklayer/cases/common.py

@@ -14,7 +14,7 @@ class CommonCheckLayer(OECheckLayerTestCase):
         # The top-level README file may have a suffix (like README.rst or README.txt).
         readme_files = glob.glob(os.path.join(self.tc.layer['path'], '[Rr][Ee][Aa][Dd][Mm][Ee]*'))
         self.assertTrue(len(readme_files) > 0,
-                        msg="Layer doesn't contains README file.")
+                        msg="Layer doesn't contain a README file.")
 
         # There might be more than one file matching the file pattern above
         # (for example, README.rst and README-COPYING.rst). The one with the shortest