diff --git a/.env.example b/.env.example
index e9f1dd6cb9..b3556dd46f 100644
--- a/.env.example
+++ b/.env.example
@@ -175,6 +175,10 @@ MAP_DEFAULT_ZOOM=6
 # For full instructions on these settings please visit:
 # https://docs.firefly-iii.org/advanced-installation/authentication
 # If you use Docker or similar, you can set this variable from a file by appending it with _FILE
+#
+# If you enable 'ldap' AND you run Docker, the Docker image will contact packagist.org
+# This is necessary to download the required packages.
+#
 LOGIN_PROVIDER=eloquent
 
 # It's also possible to change the way users are authenticated. You could use Authelia for example.