diff --git a/src/error.rs b/src/error.rs
index 203fe3e..7c1938f 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -139,7 +139,7 @@ impl Transport {
     /// // classification
     /// assert_eq!(error.kind(), ErrorKind::InvalidUrl);
     /// assert_eq!(error.kind().to_string(), "Bad URL");
-///
+    ///
     /// // higher level message
     /// assert_eq!(error.message(), Some("failed to parse URL: RelativeUrlWithoutBase"));
     ///
diff --git a/src/rtls.rs b/src/rtls.rs
index e40ad46..3d1e8dd 100644
--- a/src/rtls.rs
+++ b/src/rtls.rs
@@ -95,11 +95,8 @@ impl TlsConnector for Arc<rustls::ClientConfig> {
         dns_name: &str,
         mut tcp_stream: TcpStream,
     ) -> Result<Box<dyn HttpsStream>, Error> {
-        let sni = rustls::ServerName::try_from(dns_name).map_err(|e| {
-            ErrorKind::Dns
-                .msg(format!("parsing '{}'", dns_name))
-                .src(e)
-        })?;
+        let sni = rustls::ServerName::try_from(dns_name)
+            .map_err(|e| ErrorKind::Dns.msg(format!("parsing '{}'", dns_name)).src(e))?;
 
         let mut sess = rustls::ClientConnection::new(self.clone(), sni)
             .map_err(|e| ErrorKind::Io.msg("tls connection creation failed").src(e))?;