message: fix typos in schema.fbs comments.
diff: @@ -53,12 +53,12 @@ table Tensor {
  type:TensorType;
  // An index that refers to the buffers table at the root of the model. Or,
  // if there is no data buffer associated (i.e. intermediate results), then
  - // this is 0 (which refers to an always existant empty buffer).
  + // this is 0 (which refers to an always existent empty buffer).
  //
  // The data_buffer itself is an opaque container, with the assumption that the
  // target device is little-endian. In addition, all builtin operators assume
  // the memory is ordered such that if `shape` is [4, 3, 2], then index
  - // [i, j, k] maps to data_buffer[i*3*2 + j*3 + k].
  + // [i, j, k] maps to data_buffer[i*3*2 + j*2 + k].
  buffer:uint;
  name:string; // For debugging and importing back into tensorflow.
  quantization:QuantizationParameters; // Optional.
  