update readme

Author: DaMandal0rian

scripts/launch-nodes/README.md

@@ -106,8 +106,8 @@ python manage_subspace.py --config nodes.toml --release_version gemini-3h-2024-s
 - `--subspace_dir`: Path to the Subspace directory (default: /home/ubuntu/subspace).
 - `--pot_external_entropy`: The random seed for proof of time entropy.
 - `--network`: The network name to be updated in the .env file.
-- `--plot-size`: Plot size to be set for Farmer nodes (e.g., 10G).
-- `--cache-percentage`: Cache percentage to be set for Farmer nodes.
+- `--plot_size`: Plot size to be set for Farmer nodes (e.g., 10G).
+- `--cache_percentage`: Cache percentage to be set for Farmer nodes.
 - `--prune`: Stop containers and remove unused Docker images.
 - `--restart`: Restart containers without wiping data.