diff --git a/src/libstd/fs.rs b/src/libstd/fs.rs
index 732da79a4d4da..442a0873ae075 100644
--- a/src/libstd/fs.rs
+++ b/src/libstd/fs.rs
@@ -331,6 +331,7 @@ pub fn read_to_string<P: AsRef<Path>>(path: P) -> io::Result<String> {
 ///
 /// fn main() -> std::io::Result<()> {
 ///     fs::write("foo.txt", b"Lorem ipsum")?;
+///     fs::write("bar.txt", "dolor sit")?;
 ///     Ok(())
 /// }
 /// ```