diff --git a/src/managers/ReactionManager.js b/src/managers/ReactionManager.js
index b46d1876c..e194d8477 100644
--- a/src/managers/ReactionManager.js
+++ b/src/managers/ReactionManager.js
@@ -24,7 +24,7 @@ class ReactionManager extends BaseManager {
 
   /**
    * The reaction cache of this manager
-   * @type {Collection<Snowflake, MessageReaction>}
+   * @type {Collection<string|Snowflake, MessageReaction>}
    * @name ReactionManager#cache
    */
 
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 1eb6930d8..1b9445345 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -1951,7 +1951,7 @@ declare module 'discord.js' {
     constructor(client: Client, iterable?: Iterable<any>);
   }
 
-  export class ReactionManager extends BaseManager<Snowflake, MessageReaction, MessageReactionResolvable> {
+  export class ReactionManager extends BaseManager<string | Snowflake, MessageReaction, MessageReactionResolvable> {
     constructor(message: Message, iterable?: Iterable<any>);
     public message: Message;
     public removeAll(): Promise<Message>;