diff --git a/samuel-klein.md b/samuel-klein.md
index 9b145437d..d97e2f4fe 100644
--- a/samuel-klein.md
+++ b/samuel-klein.md
@@ -6,6 +6,7 @@
 - [[metawiki]] https://meta.wikimedia.org/wiki/User:Sj
 - [[project]] [[underlay]]
 - Another fan of the [[cyberiad]].
+- [[mastodon]] ?
 - Shared node: [[metasj-flancian]]
 
 
@@ -16,5 +17,6 @@
 [project]: project "Project"
 [underlay]: underlay "Underlay"
 [cyberiad]: cyberiad "Cyberiad"
+[mastodon]: mastodon "Mastodon"
 [metasj-flancian]: metasj-flancian "Metasj Flancian"
 [//end]: # "Autogenerated link references"
\ No newline at end of file