diff --git a/src/main.rs b/src/main.rs
index a668e40..9b759e1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,7 +9,9 @@ use liveterm::{
 };
 use tracing::Level;
 
+/// Liveterm: terminal streaming
 #[derive(Parser)]
+#[clap(author, version)]
 struct Opt {
   #[clap(subcommand)]
   subcommand: Subcommand,