Fix warning and make code follow the text better

diff --git a/src/doc/guide.md b/src/doc/guide.md
index 140536543d93dcbfd662666eac6b205216a19cf5..44cd68975cb2a51243b918529df2ddec680df802 100644 (file)
--- a/src/doc/guide.md
+++ b/src/doc/guide.md
@@ -1577,8 +1577,6 @@ we haven't seen before. Here's a simple program that reads some input,
 and then prints it back out:
 
 ```{rust,ignore}
-use std::io;
-
 fn main() {
     println!("Type something!");