diff --git a/crates/fj-viewer/src/display.rs b/crates/fj-viewer/src/display.rs
index 8b64531cf..68726897a 100644
--- a/crates/fj-viewer/src/display.rs
+++ b/crates/fj-viewer/src/display.rs
@@ -20,7 +20,7 @@ use crate::{
     window::{self, Window},
 };
 
-/// Display the provided mesh in a window that processes input
+/// # Display the provided mesh in a window that processes input
 pub fn display(tri_mesh: TriMesh, invert_zoom: bool) -> Result<(), Error> {
     let event_loop = EventLoop::new()?;