diff --git a/crates/diagnostics/src/toolbar_controls.rs b/crates/diagnostics/src/toolbar_controls.rs
index 28bcb328bbbe9ff550d3d081b6a64a204641ff52..47debfe31beffde9632fc9cf02b3bd8f49252b8b 100644
--- a/crates/diagnostics/src/toolbar_controls.rs
+++ b/crates/diagnostics/src/toolbar_controls.rs
@@ -83,7 +83,7 @@ impl Render for ToolbarControls {
                             .icon_color(Color::Error)
                             .icon_size(IconSize::Small)
                             .tooltip(Tooltip::for_action_title(
-                                "Stop Siagnostics Update",
+                                "Stop Diagnostics Update",
                                 &ToggleDiagnosticsRefresh,
                             ))
                             .on_click(cx.listener(move |toolbar_controls, _, _, cx| {