message: Go to the tensorflow.org doctest link.
diff: @@ -132,7 +132,7 @@ class CustomOutputChecker(doctest.OutputChecker):
  _MESSAGE = textwrap.dedent("""\n
  #############################################################
  Check the documentation
  - (https://docs.python.org/3/library/doctest.html) on how to write testable docstrings.
  + (https://www.tensorflow.org/community/contribute/docs_ref) on how to write testable docstrings.
  #############################################################""")
  def output_difference(self, example, got, optionflags):
  