Change `to_owned` to `to_string` in docs

We should teach conversion from `str` to `String` using `to_string`
rather than the legacy `to_owned`.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libstd/io/error.rs b/src/libstd/io/error.rs
index 795c89c0007..434f522cc1e 100644
--- a/src/libstd/io/error.rs
+++ b/src/libstd/io/error.rs
@@ -388,12 +388,12 @@ impl Error {
     /// impl MyError {
     ///     fn new() -> MyError {
     ///         MyError {
-    ///             v: "oh no!".to_owned()
+    ///             v: "oh no!".to_string()
     ///         }
     ///     }
     ///
     ///     fn change_message(&mut self, new_message: &str) {
-    ///         self.v = new_message.to_owned();
+    ///         self.v = new_message.to_string();
     ///     }
     /// }
     ///