diff --git a/src/lib.rs b/src/lib.rs
index 6715a95..fbc543d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -70,8 +70,8 @@
 //!             bind_port: "443".to_string(),
 //!             remote_host: "remote.com".to_string(),
 //!             remote_port: "443".to_string(),
-//!             ssl_private_key_path: "./remote.com.key".to_string(),
-//!             ssl_cert_path: "./remote.com.crt".to_string(),
+//!             ssl_private_key_path: Some("./remote.com.key".to_string()),
+//!             ssl_cert_path: Some("./remote.com.crt".to_string()),
 //!         })
 //!     );
 //!     // Start listening