message: Small update in usage string
diff: @@ -45,8 +45,8 @@ const char kUsageHeader[] =
  "group.\n\n"
  "Note that the operator group assigned to the generated wrappers is just "
  "a annotation tag at this stage. Operations will not be available through\n"
  - "the Ops API as a group until the generated classes are compiled using an "
  - "appropriate annotation processor.\n\n"
  + "the 'org.tensorflow.op.Ops' API as a group until the generated classes "
  + "are compiled using an appropriate annotation processor.\n\n"
  "Finally, the '--base_package' overrides the default parent package "
  "under which the generated subpackage and classes are to be located.\n\n";
  