/// ```no_run
/// use std::fs;
/// use std::net::SocketAddr;
+/// use std::error::Error;
///
-/// fn main() -> Result<(), Box<dyn std::error::Error + 'static>> {
+/// fn main() -> Result<(), Box<dyn Error>> {
/// let foo: SocketAddr = fs::read_to_string("address.txt")?.parse()?;
/// Ok(())
/// }