Improve the documentation

docs/auto-update.md

@@ -192,14 +192,12 @@ Start downloading update manually. You can use this method if `autoDownload` opt
 #### `appUpdater.setFeedURL(options)`
 Configure update provider. If value is `string`, [GenericServerOptions](/configuration/publish.md#genericserveroptions) will be set with value as `url`.
 
+
 - options <code>[PublishConfiguration](/configuration/publish.md#publishconfiguration)</code> | <code>String</code> | <code>[GithubOptions](/configuration/publish.md#githuboptions)</code> | <code>[S3Options](/configuration/publish.md#s3options)</code> | <code>[SpacesOptions](/configuration/publish.md#spacesoptions)</code> | <code>[GenericServerOptions](/configuration/publish.md#genericserveroptions)</code> | <code>[BintrayOptions](/configuration/publish.md#bintrayoptions)</code> - If you want to override configuration in the `app-update.yml`.
 
 <a name="module_electron-updater.AppUpdater+channel"></a>
-#### `appUpdater.channel()` (getter)
-Get the current channel.
-
-#### `appUpdater.channel(option)` (setter)
-Define the channel which the Auto-Updater will follow (see [the auto-update with channels tutorial](/tutorials/release-using-channels.md). `option` is a `string` which define the channel (like `option='beta'`).
+#### `appUpdater.channel` (getter and setter)
+Define the channel which the Auto-Updater will follow (see [the auto-update with channels tutorial](tutorials/release-using-channels.md#release_using_channels)) using `appUpdater.channel = 'beta'` or get the current channel with `currentChannel = appUpdater.channel`.
 
 <a name="module_electron-updater.AppUpdater+quitAndInstall"></a>
 #### `appUpdater.quitAndInstall(isSilent, isForceRunAfter)`

docs/tutorials/release-using-channels.md

@@ -1,5 +1,4 @@
-> !!! This documentation is in "beta" and needed to be tested !!!
-
+<a name="release_using_channels"></a>
 # Release Using Channels / Auto-Updates With Channels
 
 ## Description
@@ -36,21 +35,16 @@ All you have to do to release using channels is to define the channel in the ver
 
 
 ### Your Application
-All you need to do here is to define which channel the user will receive.
+All you need to do here is to define which channel the user will receive with:
 
-`autoUpdater.channel('beta')`
+`autoUpdater.channel = 'beta'` (see [the documentation here](../auto-update.md#module_electron-updater.AppUpdater+channel))
 
 The following versions will be distributed to users depending on the channel defined:
 - "stable" or nothing: users will only get "stable" versions
 - "beta": users will get "beta" and "stable" version
 - "alpha": users will get "alpha", "beta" and "stable" version
 
 
-### Advanced (optional)
-todo:
-- `allowDowngrade`
-- 
-
 ## How To Use It / Example
 Imagine your application version is 1.0.1 (stable).