Add missing word "be" in CL description comments

s/This will displayed/This will be displayed/g

BUG=

Review URL: https://chromiumcodereview.appspot.com/13811053

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@194907 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/tests/git_cl_test.py b/tests/git_cl_test.py
index a890dac..ae71c1c 100755
--- a/tests/git_cl_test.py
+++ b/tests/git_cl_test.py
@@ -331,7 +331,7 @@
     def RunEditor(desc, _):
       self.assertEquals(
           '# Enter a description of the change.\n'
-          '# This will displayed on the codereview site.\n'
+          '# This will be displayed on the codereview site.\n'
           '# The first line will also be used as the subject of the review.\n' +
           expected_description,
           desc)