diff --git a/src/Models/ThemeConfig/Json/TagRenderingConfigJson.ts b/src/Models/ThemeConfig/Json/TagRenderingConfigJson.ts
index 144c60ebe..e33798d9b 100644
--- a/src/Models/ThemeConfig/Json/TagRenderingConfigJson.ts
+++ b/src/Models/ThemeConfig/Json/TagRenderingConfigJson.ts
@@ -225,7 +225,9 @@ export interface TagRenderingConfigJson {
     classes?: string
 
     /**
-     * This tagRendering can introduce this builtin filter
+     * If 'true', then a filter is automatically created for this tagFilter.
+     * If one or more strings are given, these strings are interpreted as filter-ids and will summon this filter.
+     * For example, the "opening_hours"-question will also add the filter "filters.open_now"
      */
     filter?: string[] | true