Update list.md (#820)

Author: Alex-Sokolov

src/guide/list.md

@@ -244,7 +244,7 @@ When they exist on the same node, `v-if` has a higher priority than `v-for`. Tha
 <!-- This will throw an error because property "todo" is not defined on instance. -->
 
 <li v-for="todo in todos" v-if="!todo.isComplete">
-  {{ todo }}
+  {{ todo.name }}
 </li>
 ```
 
@@ -253,7 +253,7 @@ This can be fixed by moving `v-for` to a wrapping `<template>` tag:
 ```html
 <template v-for="todo in todos" :key="todo.name">
   <li v-if="!todo.isComplete">
-    {{ todo }}
+    {{ todo.name }}
   </li>
 </template>
 ```