diff --git a/conf/.env b/conf/.env
index 018e1943..428eb8ca 100644
--- a/conf/.env
+++ b/conf/.env
@@ -1,3 +1,5 @@
+# https://docs.pixelfed.org/technical-documentation/config/
+
 APP_NAME="__APP__"
 APP_ENV="production"
 APP_KEY=__APP_KEY__