diff --git a/packages/discord.js/src/client/actions/ApplicationCommandPermissionsUpdate.js b/packages/discord.js/src/client/actions/ApplicationCommandPermissionsUpdate.js
index dbda6c505..f2bc214d2 100644
--- a/packages/discord.js/src/client/actions/ApplicationCommandPermissionsUpdate.js
+++ b/packages/discord.js/src/client/actions/ApplicationCommandPermissionsUpdate.js
@@ -9,7 +9,7 @@ const Events = require('../../util/Events');
  * @property {Snowflake} id The id of the command or global entity that was updated
  * @property {Snowflake} guildId The id of the guild in which permissions were updated
  * @property {Snowflake} applicationId The id of the application that owns the command or entity being updated
- * @property {ApplicationCommandPermissions} permissions The updated permissions
+ * @property {ApplicationCommandPermissions[]} permissions The updated permissions
  */
 
 class ApplicationCommandPermissionsUpdateAction extends Action {
diff --git a/packages/discord.js/typings/index.d.ts b/packages/discord.js/typings/index.d.ts
index 9c310b119..b6d1c1097 100644
--- a/packages/discord.js/typings/index.d.ts
+++ b/packages/discord.js/typings/index.d.ts
@@ -3706,7 +3706,7 @@ export interface ApplicationCommandPermissionsUpdateData {
   id: Snowflake;
   guildId: Snowflake;
   applicationId: Snowflake;
-  permissions: ApplicationCommandPermissions;
+  permissions: ApplicationCommandPermissions[];
 }
 
 export interface EditApplicationCommandPermissionsMixin {
@@ -4107,6 +4107,7 @@ export declare const Colors: {
 };
 
 export declare const Events: {
+  ApplicationCommandPermissionsUpdate: 'applicationCommandPermissionsUpdate';
   ClientReady: 'ready';
   GuildCreate: 'guildCreate';
   GuildDelete: 'guildDelete';