diff --git a/packages/frontend/src/composables/use-mkselect.ts b/packages/frontend/src/composables/use-mkselect.ts
index 801b864dab..6c50c40abb 100644
--- a/packages/frontend/src/composables/use-mkselect.ts
+++ b/packages/frontend/src/composables/use-mkselect.ts
@@ -9,6 +9,7 @@ import type { MkSelectItem, OptionValue, GetMkSelectValueTypesFromDef } from '@/
 
 type UnwrapReadonlyItems<T> = T extends readonly (infer U)[] ? U[] : T;
 
+/** 指定したオプション定義をもとに型を狭めたrefを生成するコンポーサブル */
 export function useMkSelect<
 	const TItemsInput extends MaybeRefOrGetter<MkSelectItem[]>,
 	const TItems extends TItemsInput extends MaybeRefOrGetter<infer U> ? U : never,