Update docs

README.md

@@ -47,6 +47,12 @@ $ git clone https://github.com/next-theme/hexo-theme-next themes/next
 
 See [detailed installation instructions][docs-installation-url] if you want any other variant.
 
+After the installation, open Hexo config file and set `theme` variable to `next`.
+
+```yml
+theme: next
+```
+
 ## Configuration
 
 At present, NexT encourages users to use the [Alternate Theme Config][docs-configuration-url] to configure NexT. And it's easy to customize the layout or style of NexT using [Custom Files][docs-custom-files-url].
@@ -57,7 +63,7 @@ However, you can bypass merge conflicts (error message like **«Commit your chan
 
 ## Plugins
 
-Plugins extend and expand the functionality of NexT. There are two types of plugins: core plugins and third-party plugins. The core plugins are required by the basic functions of NexT. Third-party plugins are loaded from jsDelivr CDN by default, and they provide a large number of optional features.
+Plugins extend and expand the functionality of NexT. There are two types of plugins: core plugins and third-party plugins. The core plugins are required by the basic functions of NexT. Third-party plugins provide a large number of optional features.
 
 Configuring these plugins is very easy. For example, if you want to enable `pjax` on your site, just set `pjax` to `true` in NexT config file:
 
@@ -69,16 +75,16 @@ pjax: true
 
 ### Configure CDN
 
-If you want to specify the CDN provider for any plugins, you need to set / update the CDN URL.
+Third-party plugins are loaded from [jsDelivr](https://www.jsdelivr.com) CDN by default. We also provide other optional CDNs, including the famous [UNPKG](https://unpkg.com) and [CDNJS](https://cdnjs.com).
 
-For example, if you want to set the CDN URL for `mediumzoom`, go to NexT config and see:
+For example, if you want to use `unpkg` instead of `jsdelivr` as the default CDN provider, you need to edit the following settings in NexT config file:
 
 ```yml
 vendors:
   # ...
   # Some contents...
   # ...
-  mediumzoom: # Set or update mediumzoom CDN URL.
+  plugins: unpkg
 ```
 
 ## Update

_config.yml

@@ -857,20 +857,22 @@ canvas_ribbon:
 # Remember to use the https protocol of CDN links when you enable https on your site.
 vendors:
   # The CDN provider of NexT internal scripts.
-  # Available values: local, jsdelivr, unpkg
+  # Available values: local | jsdelivr | unpkg
   internal: local
   # The default CDN provider of third-party plugins.
-  # Available values: local, jsdelivr, unpkg, cdnjs
+  # Available values: local | jsdelivr | unpkg | cdnjs
   # Dependencies for `plugins: local`: https://github.com/next-theme/plugins
   plugins: jsdelivr
 
   # In the following settings, you can specify the CDN link for each plugin.
   # If left blank, the default CDN provider set by `plugins` option will be used.
 
   # Anime.js
+  # For more information: https://animejs.com
   anime:
 
   # Font Awesome
+  # For more information: https://fontawesome.com
   fontawesome:
 
   # Prism

docs/ru/README.md

@@ -47,6 +47,12 @@ $ git clone https://github.com/next-theme/hexo-theme-next themes/next
 
 See [detailed installation instructions][docs-installation-url] if you want any other variant.
 
+After the installation, open Hexo config file and set `theme` variable to `next`.
+
+```yml
+theme: next
+```
+
 ## Configuration
 
 At present, NexT encourages users to use the [Alternate Theme Config][docs-configuration-url] to configure NexT. And it's easy to customize the layout or style of NexT using [Custom Files][docs-custom-files-url].
@@ -57,7 +63,7 @@ However, you can bypass merge conflicts (error message like **«Commit your chan
 
 ## Плагины
 
-Plugins extend and expand the functionality of NexT. There are two types of plugins: core plugins and third-party plugins. The core plugins are required by the basic functions of NexT. Third-party plugins are loaded from jsDelivr CDN by default, and they provide a large number of optional features.
+Plugins extend and expand the functionality of NexT. There are two types of plugins: core plugins and third-party plugins. The core plugins are required by the basic functions of NexT. Third-party plugins provide a large number of optional features.
 
 Configuring these plugins is very easy. Например, Вы хотите использовать `pjax` для своего сайта. Открываем конфиг NexT'а и находим:
 
@@ -69,16 +75,16 @@ pjax: true
 
 ### Configure CDN
 
-If you want to specify the CDN provider for any plugins, you need to set / update the CDN URL.
+Third-party plugins are loaded from [jsDelivr](https://www.jsdelivr.com) CDN by default. We also provide other optional CDNs, including the famous [UNPKG](https://unpkg.com) and [CDNJS](https://cdnjs.com).
 
-For example, if you want to set the CDN URL for `mediumzoom`, go to NexT config and see:
+For example, if you want to use `unpkg` instead of `jsdelivr` as the default CDN provider, you need to edit the following settings in NexT config file:
 
 ```yml
 vendors:
   # ...
   # Some contents...
   # ...
-  mediumzoom: # Set or update mediumzoom CDN URL.
+  plugins: unpkg
 ```
 
 ## Обновление

docs/zh-CN/README.md

@@ -47,6 +47,12 @@ $ git clone https://github.com/next-theme/hexo-theme-next themes/next
 
 此外，如果你想要使用其他方式，请参见[详细安装步骤][docs-installation-url]。
 
+安装完成后，在 Hexo 配置文件中将 `theme` 设置为 `next`。
+
+```yml
+theme: next
+```
+
 ## 配置
 
 目前 NexT 鼓励用户使用 [Alternate Theme Config][docs-configuration-url] 进行配置。并且可以轻松地通过 [Custom Files][docs-custom-files-url] 自定义主题的布局和样式。
@@ -57,7 +63,7 @@ $ git clone https://github.com/next-theme/hexo-theme-next themes/next
 
 ## 插件
 
-插件丰富和拓展了 NexT 的功能。这些插件分为两种：核心插件和第三方插件。核心插件被 NexT 的基础功能所依赖。第三方插件默认通过 jsDelivr 的 CDN 服务加载，它们提供了大量的可选功能。
+插件丰富和拓展了 NexT 的功能。这些插件分为两种：核心插件和第三方插件。核心插件被 NexT 的基础功能所依赖。第三方插件提供了大量的可选功能。
 
 配置这些插件非常简单。例如，你想要在你的站点中使用 `pjax` 插件，请进入 NexT 配置文件，启用 `pjax` 配置项：
 
@@ -69,16 +75,16 @@ pjax: true
 
 ### 设置 CDN
 
-如果你想要通过自定义 CDN 而不是默认的 jsDelivr 来加载插件脚本，那么需要设置相关的 CDN 链接。
+第三方插件默认通过 [jsDelivr](https://www.jsdelivr.com) CDN 服务加载。我们也提供了其它的 CDN 服务供选择，包括著名的 [UNPKG](https://unpkg.com) 和 [CDNJS](https://cdnjs.com)。
 
-例如，你想要为 `mediumzoom` 插件设置 CDN 地址，进入 NexT 配置文件并找到如下内容：
+例如，你想要使用 `unpkg` 代替 `jsdelivr` 作为默认的 CDN 提供商，你需要在 NexT 配置文件中进行如下设置：
 
 ```yml
 vendors:
   # ...
   # Some contents...
   # ...
-  mediumzoom: # Set or update mediumzoom CDN URL.
+  plugins: unpkg
 ```
 
 ## 更新