Add message about --spec flag to book

This commit is contained in:
Paul Hauner
2019-09-03 11:49:26 +10:00
parent ae4700660a
commit baaaf59fe5

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@@ -58,6 +58,7 @@ $ ./beacon_node testnet --spec minimal -f file ssz /tmp/genesis.ssz
> - The `-f` flag ignores any existing database or configuration, backing them
> up before re-initializing.
> - See `$ ./beacon_node testnet file --help` for more configuration options.
> - The `--spec` flag is required to allow SSZ parsing of fixed-length lists.
<a name="val-client"></a>
### Start an auto-configured validator client