Mentions: no more numbers + how to mention someone on mastodon

pages/10.DisHub/05.Posts/02.Tags_and_mentions/docs.en.md

@@ -16,15 +16,12 @@ You can mention a person in a post, so that the mentioned channel receives a not
 
 !!! In the permission settings, **Can forward to all my channel connections via @+ mentions in posts.** must be allowed by a channel to be able to mention it.
 
-To use mention, simply add **@** before the channel name you want to mention. For example **@dishubuser+1813**.
+To use mention, simply add **@** before the channel name you want to mention. For example **@dishubuser**.
 
-The number is different for every user, every connection. If the channel you want to mention allows mentions, then an auto-complete box will appears, so you just have to click on the channel you want to mention.
-![mention](en/Mention.gif)
+You can mention someone using another protocol. For example to mention someone on mastodon: **@{username@mastodon.instance}**
 
 If you write the channel's name manually, if there are only one space in the channel's name, there will be no problem. So, **@Robert Johnson** will tag **Robert Johnson**. If there are more than one space, for example **Blind Lemon Jefferson**, you have to enclose the entire name in double quotes or change the spaces to underscores, **@"Blind Lemon Jefferson"** or **@Blind_Lemon_Jefferson**.
 
-**Important**: At the moment (05/27/2018), the @mention works only if you set a connection with the channel. But it should be available for any channel soon.
-
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 ## Deliverable Mentions