diff --git a/components/common/simulation-page/simulation-menu/SimulationMenuBar.tsx b/components/common/simulation-page/simulation-menu/SimulationMenuBar.tsx
index b2ad624049227e5950b3aed78dc98d3d6627efac..75d5a5c5ceb2c2030847d09dbd14bbcab3ac16b8 100644
--- a/components/common/simulation-page/simulation-menu/SimulationMenuBar.tsx
+++ b/components/common/simulation-page/simulation-menu/SimulationMenuBar.tsx
@@ -37,7 +37,7 @@ type Props = PropsFromRedux & {
     mobileCaption: string;
     mobileIcon?: JSX.Element;
   }[],
-  topic: string,
+  topic: string, // "apres"|"plf"|"avant"
 }
 
 class SimulationMenuBar extends PureComponent<Props> {