update component-slots.md (#1342)

* update component-slots.md

* update component-slots.md

Author: wxsms

src/guide/component-slots.md

@@ -92,7 +92,7 @@ The slot does **not** have access to `<todo-button>`'s scope. For example, tryin
   Clicking here will {{ action }} an item
   <!--
   The `action` will be undefined, because this content is passed
-  _to_ <todo-button>, rather than defined _inside_ the
+  to <todo-button>, rather than defined inside the
   <todo-button> component.
   -->
 </todo-button>
@@ -224,7 +224,7 @@ The rendered HTML will be:
 </div>
 ```
 
-Note that **`v-slot` can only be added to a `<template>`** (with [one exception](#abbreviated-syntax-for-lone-default-slots))
+Note that **`v-slot` can only be added to a `<template>`** (with [one exception](#abbreviated-syntax-for-lone-default-slots)).
 
 ## Scoped Slots