message: Change message a bit
diff: @@ -360,7 +360,7 @@ Status TensorShapeOld::IsValidShape(const TensorShapeProto& proto) {
  if (d.size() < 0) {
  return errors::InvalidArgument("Shape ", DebugString(proto),
  " has negative dimensions; ",
  - "perhaps an uninitialized placeholder?");
  + "perhaps an un-fed placeholder?");
  }
  num_elements *= d.size();
  if (num_elements > kMaxElements) {
  