diff --git a/src/base/CommandHandler.js b/src/base/CommandHandler.js
index e388a95..973d65c 100644
--- a/src/base/CommandHandler.js
+++ b/src/base/CommandHandler.js
@@ -11,7 +11,7 @@ class CommandHandler {
     }
 
     /**
-     * @param {commands'|'aliases} [key] 
+     * @param {String} [key='commands'|'aliases'] 
      */
     toArray(key = 'commands') {
         if (key == 'aliases')