diff --git a/src/doc/intro.md b/src/doc/intro.md
index 01697a3e0cbc3..2e1d7d9d613c5 100644
--- a/src/doc/intro.md
+++ b/src/doc/intro.md
@@ -64,7 +64,7 @@ Here's what's in `src/main.rs`:
 
 ```{rust}
 fn main() {
-    println!("Hello, world!")
+    println!("Hello, world!");
 }
 ```