doc: mut not needed

[rust.git] / src / libstd / io / mod.rs

diff --git a/src/libstd/io/mod.rs b/src/libstd/io/mod.rs
index ca15aa2d56c4937c21a0e3377bbe5bf83d1c76b4..46c6a23d8d4e8d07289946ffefa6e98afd8c9272 100644 (file)
--- a/src/libstd/io/mod.rs
+++ b/src/libstd/io/mod.rs
@@ -182,7 +182,7 @@
 //!
 //! # fn foo() -> io::Result<()> {
 //! let f = try!(File::open("foo.txt"));
-//! let mut reader = BufReader::new(f);
+//! let reader = BufReader::new(f);
 //!
 //! for line in reader.lines() {
 //!     let line = try!(line);