diff --git a/src/store/active.js b/src/store/active.js
index 8945b376e3..fd4039267c 100644
--- a/src/store/active.js
+++ b/src/store/active.js
@@ -2,6 +2,9 @@ import { defineStore } from 'pinia'
 
 export const ACTIVE = 'active'
 
+/**
+ * Store information about the active media item.
+ */
 export const useActive = defineStore(ACTIVE, {
   /** @return {import('./types').ActiveMediaState} */
   state: () => ({