diff --git a/interface/wx/event.h b/interface/wx/event.h
index 480d59913f..24ba1f5e3a 100644
--- a/interface/wx/event.h
+++ b/interface/wx/event.h
@@ -1902,7 +1902,7 @@ public:
 
     This class is used for system colour change events, which are generated
     when the user changes the colour settings or when the system theme changes
-    (e.g. automatic dark mode switching on macOS).
+    (e.g.\ automatic dark mode switching on macOS).
 
     Event handlers for this event can access the new system colour settings through
     wxSystemSettings::GetColour().