message: Update help string
diff: @@ -27,7 +27,7 @@ from tensorflow.tools.compatibility import tf_upgrade_v2
  def main():
  parser = argparse.ArgumentParser(
  formatter_class=argparse.RawDescriptionHelpFormatter,
  - description="""Convert a TensorFlow Python file to 2.0
  + description="""Convert a TensorFlow Python file from 1.* to 2.0
  Simple usage:
  tf_upgrade_v2.py --infile foo.py --outfile bar.py
  