diff --git a/README.md b/README.md
index aef2fc0..d454b91 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,8 @@ where you want to run nsedit
 
 * Copy ```includes/config.inc.php-dist``` to ```includes/config.inc.php``` and edit config.inc.php to your needs.
 
+* By default, nsedit writes its user database to ../etc/pdns.users.sqlite3. Be sure that your webserver can create that directory and write to it
+
 * Visit http(s)://<url>/nsedit/ and login with admin/admin (Don't forget to update your password!)
 
 Have fun ;)
diff --git a/includes/config.inc.php-dist b/includes/config.inc.php-dist
index 3132c64..390787d 100644
--- a/includes/config.inc.php-dist
+++ b/includes/config.inc.php-dist
@@ -1,12 +1,13 @@
 <?php
 
-$apiuser = '';          # The PowerDNS API username
-$apipass = '';          # The PowerDNS API-user password
+$apiuser = '';          # The PowerDNS API username. Leave empty for authmethod='xapikey' (see AUTHENTICATION)
+$apipass = '';          # The PowerDNS API-user password or the PowerDNS-API key (see AUTHENTICATION)
 $apiip   = '';          # The IP of the PowerDNS API
 $apiport = '8081';      # The port of the PowerDNS API
 $apisid  = 'localhost'; # PowerDNS's :server_id
 $allowzoneadd = FALSE;  # Allow normal users to add zones
 
+### AUTHENTICATION ###
 # The first versions of the PowerDNS API used the standard webserver password
 # for authentication, newer versions use an X-API-Key mechanism. NSEdit tries
 # to autodetect the method you should use, but that does affect performance.