2 files changed, 4 insertions, 2 deletions
diff --git a/src/libstd/old_io/mod.rs b/src/libstd/old_io/mod.rs
index c3e4e7fc80d..219da8f44eb 100644
--- a/src/libstd/old_io/mod.rs
+++ b/src/libstd/old_io/mod.rs
@@ -50,7 +50,8 @@
 //!     ```rust
 //!     use std::old_io as io;
 //!
-//!     for line in io::stdin().lock().lines() {
+//!     let mut stdin = io::stdin();
+//!     for line in stdin.lock().lines() {
 //!         print!("{}", line.unwrap());
 //!     }
 //!     ```
diff --git a/src/libstd/old_io/stdio.rs b/src/libstd/old_io/stdio.rs
index 70400619bea..4b3811bbe38 100644
--- a/src/libstd/old_io/stdio.rs
+++ b/src/libstd/old_io/stdio.rs
@@ -143,7 +143,8 @@ impl StdinReader {
     /// ```rust
     /// use std::old_io;
     ///
-    /// for line in old_io::stdin().lock().lines() {
+    /// let mut stdin = old_io::stdin();
+    /// for line in stdin.lock().lines() {
     ///     println!("{}", line.unwrap());
     /// }
     /// ```