message: fix value_init_penalty comment
diff: @@ -77,7 +77,7 @@ DEFINE_double(value_init_penalty, 2.0,
  "New children value initialization penalty.\n"
  "Child value = parent's value - penalty * color, clamped to "
  "[-1, 1]. Penalty should be in [0.0, 2.0].\n"
  - "0 is init-to-parent [default], 2.0 is init-to-loss.\n"
  + "0 is init-to-parent, 2.0 is init-to-loss [default].\n"
  "This behaves similiarly to Leela's FPU \"First Play Urgency\".");
  DEFINE_double(policy_softmax_temp, 0.98,
  "For soft-picked moves, the probabilities are exponentiated by "
  