small tweaks

Author: yyx990803

source/guide/computed.md

@@ -48,6 +48,4 @@ A computed property is essentially a property defined with getter/setter functio
 
 Before 0.12.8, computed properties behave just like getters - every time you access it, the getter function is re-evaluated. In 0.12.8 this has been improved - computed properties are cached and lazily re-evaluated only when necessary.
 
-<p class="tip">Before Vue.js 0.11 there used to be a dependency collection gotcha which requires users to explicitly list dependencies when conditional statements are involved. Starting with 0.11 it is no longer necessary to do so.</p>
-
 Next, let's learn about how to [write a custom directive](/guide/custom-directive.html).

source/guide/events.md

@@ -29,11 +29,13 @@ new Vue({
 
 ## Invoke Handler with Expression
 
-`targetVM` could be useful when `v-on` is used with `v-repeat`, since the latter creates a lot of child ViewModels. However, it is often more convenient to use an invocation expression passing in `this`, which equals the current context ViewModel:
+`targetVM` could be useful when `v-on` is used with `v-repeat`, since the latter creates a lot of child ViewModels. However, it is often more convenient and explicit to use an invocation expression passing in the current alias, which equals the current data object being interated on:
 
 ``` html
 <ul id="list">
-  <li v-repeat="items" v-on="click: toggle(this)">{{text}}</li>
+  <li v-repeat="item in items" v-on="click: toggle(item)">
+    {{text}}
+  </li>
 </ul>
 ```