Outaded flag in lighthouse book
## Proposed Changes
Outdated flag. Need to use `--wallet-name` instead.
@@ -75,7 +75,7 @@ The example assumes that the `wally` wallet was generated from the
[wallet](./wallet-create.md) example.
```bash
-lighthouse --network pyrmont account validator create --name wally --wallet-password wally.pass --count 1
+lighthouse --network pyrmont account validator create --wallet-name wally --wallet-password wally.pass --count 1
```
This command will:
