diff --git a/i18n/en.yaml b/i18n/en.yaml
index 0b87e0c0..834718af 100644
--- a/i18n/en.yaml
+++ b/i18n/en.yaml
@@ -76,6 +76,7 @@ sharing:
   bluesky: "Post on Bluesky"
   whatsapp: "Share via WhatsApp"
   telegram: "Share via Telegram"
+  mastodon: "Share via Mastodon"
 
 shortcode:
   recent_articles: "Recent"