diff --git a/.env.example b/.env.example
index a6f3032..1006d96 100644
--- a/.env.example
+++ b/.env.example
@@ -58,6 +58,7 @@
 # LNDHUB_PG_PASSWORD=''
 
 # MASTODON_PUBLIC_URL='https://kosmos.social'
+# MASTODON_ADDRESS_DOMAIN='https://kosmos.org'
 
 # MEDIAWIKI_PUBLIC_URL='https://wiki.kosmos.org'