From 7e74a13fcf0dc8552094dd2bb86ad6ec13389098 Mon Sep 17 00:00:00 2001
From: taehoon <th.dev91@gmail.com>
Date: Thu, 4 Apr 2019 13:45:46 -0400
Subject: [PATCH] add a comment

---
 src/components/progress_button/progress_button.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/progress_button/progress_button.vue b/src/components/progress_button/progress_button.vue
index 3fea2418..737360bb 100644
--- a/src/components/progress_button/progress_button.vue
+++ b/src/components/progress_button/progress_button.vue
@@ -15,7 +15,7 @@ export default {
     disabled: {
       type: Boolean
     },
-    click: {
+    click: { // click event handler. Must return a promise
       type: Function,
       default: () => Promise.resolve()
     }