diff --git a/src/main.rs b/src/main.rs
index 92b0ca5..c3a9380 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -11,7 +11,7 @@ struct Args {
     #[clap(default_value = ".")]
     root: String,
     /// Set the listener host [default: LAN IP address]
-    #[clap(short='s', long)]
+    #[clap(short = 's', long)]
     host: Option<String>,
     /// Set the listener port
     #[clap(short, long, default_value_t = 8000)]
diff --git a/src/server.rs b/src/server.rs
index 3b3c392..619d504 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -113,11 +113,7 @@ async fn static_assets(
             log::warn!("{}", err);
             if mime == "text/html" {
                 let script = format!(include_str!("templates/websocket.html"), host, port);
-                let html = format!(
-                    include_str!("templates/error.html"),
-                    script,
-                    err.to_string()
-                );
+                let html = format!(include_str!("templates/error.html"), script, err);
                 response.set_body(Body::from_string(html));
                 if err.kind() == ErrorKind::NotFound {
                     response.set_status(StatusCode::NotFound);