1 files changed, 1 insertions, 0 deletions
diff --git a/doc/tutorial.md b/doc/tutorial.md
index 1c36bfee610..f8be0d0a3ce 100644
--- a/doc/tutorial.md
+++ b/doc/tutorial.md
@@ -1785,6 +1785,7 @@ fn world() -> str { "world" }
 ~~~~
 ## ignore
 // main.rs
+use std;
 use mylib;
 fn main() { std::io::println("hello " + mylib::world()); }
 ~~~~