diff --git a/bolt-cli/src/cli.rs b/bolt-cli/src/cli.rs
index f3465f0e0..1b152126f 100644
--- a/bolt-cli/src/cli.rs
+++ b/bolt-cli/src/cli.rs
@@ -52,6 +52,7 @@ pub enum Commands {
 
 /// The action to perform.
 #[derive(Debug, Clone, ValueEnum, Deserialize)]
+#[clap(rename_all = "kebab_case")]
 pub enum Action {
     /// Create a delegation message.
     Delegate,
diff --git a/bolt-cli/src/main.rs b/bolt-cli/src/main.rs
index 074e38f06..fd72bbab4 100644
--- a/bolt-cli/src/main.rs
+++ b/bolt-cli/src/main.rs
@@ -55,7 +55,7 @@ async fn main() -> Result<()> {
                 println!("Signed delegation messages generated and saved to {}", out);
             }
             KeySource::Dirk { opts } => {
-                let dirk = Dirk::connect(opts.url, opts.tls_credentials).await?;
+                let _dirk = Dirk::connect(opts.url, opts.tls_credentials).await?;
 
                 todo!("generate delegations from dirk");
             }
diff --git a/bolt-cli/test_data/README.md b/bolt-cli/test_data/README.md
index fc94ba753..e1e4fd7ff 100644
--- a/bolt-cli/test_data/README.md
+++ b/bolt-cli/test_data/README.md
@@ -1,7 +1,11 @@
 # test data for the bolt cli tool
 
-- `lighthouse`: A lighthouse-format keystore according to the [specs][lh-specs].
+- [`lighthouse`](./lighthouse/): A lighthouse-format keystore according to the [specs][lh-specs].
   It contains two directories: `validators` for the voting-keystores, and `secrets` for the passwords
   needed to decrypt the keypairs.
 
+- [`dirk`](./dirk/): A directory containing test TLS certificates and keys for authenticating a test [Dirk][dirk]
+  server on localhost. The certificates are self-signed for test purposes and are not to be used in production.
+
 [lh-specs]: https://lighthouse-book.sigmaprime.io/validator-management.html#automatic-validator-discovery
+[dirk]: https://github.com/attestantio/dirk