message: Couple fixes for command documentation.
diff: @@ -107,20 +107,27 @@ to play using the latest model you've downloaded
  ```shell
  MUGO_MODELS=$HOME/mugo-models
  +
  +# How many searches to make per move
  +READOUTS=100
  +
  +# How many games to play simultaneously
  +GAMES=5
  +
  +# Latest model should look like: /path/to/models/000123-something
  LATEST_MODEL=$(ls -d $MUGO_MODELS/* | tail -1 | cut -f 1 -d '.')
  -# At this point, latest model should look like, /path/to/mugo-models/000193-trusty
  -python3 main.py selfplay $LATEST_MODEL -r READOUTS -g GAMES -v 3
  +python3 main.py selfplay $LATEST_MODEL --readouts $READOUTS -g $GAMES -v 3
  ```
  -where `READOUTS` is how many searches to make per move, and `GAMES` is how
  -many games to play simultaneously. Timing information and statistics will be
  -printed at each move. Setting verbosity to 3 or higher will print a board at each move.
  +Timing information and statistics will be printed at each move. Setting
  +verbosity to 3 or higher will print a board at each move.
  MuGo Zero uses the GTP protocol, and you can use any gtp-compliant program with it.
  +
  ```
  -python3 main.py gtp $LATEST_MODEL -r READOUTS -v 3
  +python3 main.py gtp $LATEST_MODEL -r $READOUTS -v 3
  ```
  (If no model is provided, it will initialize one with random values)
  