message: Fix docstring in _conv_pool
diff: @@ -95,7 +95,7 @@ def _matmul_act(x):
  def _conv_pool(x):
  - """Conv followed by pooling."""
  + """(Conv -> bias -> relu -> max_pool) x2."""
  x_image = array_ops.reshape(x, [-1, 8, 8, 1])
  w_conv1 = _weight([3, 3, 1, 6])
  b_conv1 = _bias([6])
  