Rollup merge of #49599 - rolfvandekrol:feature/no_ru, r=frewsxcv

Fix typo

In `libstd/io/buffered.rs` one example was marked as `no_ru` instead of `no_run`. I assume this is a typo.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libstd/io/buffered.rs b/src/libstd/io/buffered.rs
index cefff2f143c..3e9ae261ab6 100644
--- a/src/libstd/io/buffered.rs
+++ b/src/libstd/io/buffered.rs
@@ -180,7 +180,7 @@ impl<R: Read> BufReader<R> {
     ///
     /// # Examples
     ///
-    /// ```no_ru
+    /// ```no_run
     /// # #![feature(bufreader_buffer)]
     /// use std::io::{BufReader, BufRead};
     /// use std::fs::File;