diff --git a/frontend/src/components/editor/EditorToolbar.tsx b/frontend/src/components/editor/EditorToolbar.tsx
index 21204d4f..f4db7108 100644
--- a/frontend/src/components/editor/EditorToolbar.tsx
+++ b/frontend/src/components/editor/EditorToolbar.tsx
@@ -1434,6 +1434,26 @@ export const EditorToolbar = ({
{t('editor.toolbar.uploadFirmwareLabel', 'Upload firmware')}
+ {/* Sync to GitHub — Pro feature. Fires a window event the
+ pro overlay listens for; if no overlay is loaded (OSS
+ build) the click is a silent no-op which is fine —
+ OSS users can't have linked repos anyway. */}
+
)}