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-rw-r--r--src/libstd/io/net/udp.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/io/net/udp.rs b/src/libstd/io/net/udp.rs
index cd2c81d284a..86d8be49401 100644
--- a/src/libstd/io/net/udp.rs
+++ b/src/libstd/io/net/udp.rs
@@ -31,7 +31,7 @@ use rt::rtio::{RtioSocket, RtioUdpSocket, IoFactory, LocalIo};
 /// # Example
 ///
 /// ```rust,no_run
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::net::udp::UdpSocket;
 /// use std::io::net::ip::{Ipv4Addr, SocketAddr};
 ///