diff --git a/guide/src/getting_started.md b/guide/src/getting_started.md
index ceb63ee8..74ef80ff 100644
--- a/guide/src/getting_started.md
+++ b/guide/src/getting_started.md
@@ -136,7 +136,7 @@ classifiers = [
 
 ## Running code
 
-After this you can setup rust code to be available in python as below; for example, you can place this code in `src/lib.rs`
+After this you can setup rust code to be available in python as below; for example, you can place this code in `src/lib.rs`:
 
 ```rust
 use pyo3::prelude::*;