scripts: Lint fixes.

line-too-long and docstring-section-indent fixes. Misc spelling
and grammar fixes.

BUG=None
TEST=CQ

Change-Id: If3f29b7a12425947e4fa626cf5a403229ebc2885
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/4429332
Tested-by: Alex Klein <saklein@chromium.org>
Auto-Submit: Alex Klein <saklein@chromium.org>
Reviewed-by: Cindy Lin <xcl@google.com>
Commit-Queue: Alex Klein <saklein@chromium.org>
diff --git a/scripts/cros_generate_os_release_unittest.py b/scripts/cros_generate_os_release_unittest.py
index 01fd132..9124fed 100644
--- a/scripts/cros_generate_os_release_unittest.py
+++ b/scripts/cros_generate_os_release_unittest.py
@@ -61,7 +61,7 @@
         self.assertEqual(["TEST1=hello", "TEST2=bonjour", "TEST3=hola"], output)
 
     def testDefaultsOnly(self):
-        """Make sure we always emit defaults even without any os-release.d frags."""
+        """Test we always emit defaults even without any os-release.d frags."""
         osutils.RmDir(self.osreleased)
         cros_generate_os_release.GenerateOsRelease(self.tempdir, {"FOO": "bar"})
         self.assertExists(self.osrelease)