diff --git a/src/v2/api/index.md b/src/v2/api/index.md
index f04fca966..3e255492d 100644
--- a/src/v2/api/index.md
+++ b/src/v2/api/index.md
@@ -687,6 +687,7 @@ updated: 2019-07-08
         handler: 'someMethod',
         immediate: true
       },
+      // you can pass array of callbacks, they will be called one-by-one
       e: [
         'handle1',
         function handle2 (val, oldVal) { /* ... */ },