diff --git a/README.md b/README.md
index 12d8956..abbce01 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Patch Notification Robot: Providing you the latest update notifications.
 ## Installation
 Remove ```.example``` suffix from files and modify configuration to your needs.
 Run periodically ```php PatchCollector.php``` to collect the latest product versions from vendor websites. Limit requests, so web servers will not overload.
-For data export to webpage, RSS feed and Twitter use output of ```PatchViewer.php```, ```PatchFeeder.php``` or ```PatchTwitter.php```. Twitter requires a separate [developer registration](https://developer.twitter.com/).
+For data export to webpage, RSS feed, Mastodon and Twitter use output of ```PatchViewer.php```, ```PatchFeeder.php```, ```PatchMastodon.php``` or ```PatchTwitter.php```. Twitter requires a separate [developer registration](https://developer.twitter.com/).
 
 ## Writing web scraper
 * Inherit from ```PatchBase``` base class: