diff --git a/config/config.sample.php b/config/config.sample.php
index 7ab327e2bc..c81e4a34eb 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -3,37 +3,66 @@
 define("DEBUG", true);
 
 $CONFIG = array(
+/* Flag to indicate OwnCloud is successfully installed (true = installed) */
 "installed" => false,
+/* Type of database, can be sqlite, mysql or pgsql */
 "dbtype" => "sqlite",
+/* Name of the OwnCloud database */
 "dbname" => "owncloud",
+/* User to access the OwnCloud database */
 "dbuser" => "",
+/* Password to access the OwnCloud database */
 "dbpassword" => "",
+/* Host running the OwnCloud database */
 "dbhost" => "",
+/* Prefix for the OwnCloud tables in the database */
 "dbtableprefix" => "",
+/* Force use of HTTPS connection (true = use HTTPS) */
 "forcessl" => false,
-"enablebackup" => false,
+/* Theme to use for OwnCloud */
 "theme" => "",
+/* Path to the 3rdparty directory */
 "3rdpartyroot" => "",
+/* URL to the 3rdparty directory, as seen by the browser */
 "3rdpartyurl" => "",
+/* Default app to load on login */
 "defaultapp" => "files",
+/* Enable the help menu item in the settings */
 "knowledgebaseenabled" => true,
-"knowledgebaseurl" => "",
+/* URL to use for the help page, server should understand OCS */
+"knowledgebaseurl" => "http://api.apps.owncloud.com/v1",
+/* Enable installing apps from the appstore */
 "appstoreenabled" => true,
-"appstoreurl" => "",
+/* URL of the appstore to use, server should understand OCS */
+"appstoreurl" => "http://api.apps.owncloud.com/v1",
+/* Mode to use for sending mail, can be sendmail, smtp, qmail or php, see PHPMailer docs */
 "mail_smtpmode" => "sendmail",
+/* Host to use for sending mail, depends on mail_smtpmode if this is used */
 "mail_smtphost" => "127.0.0.1",
+/* authentication needed to send mail, depends on mail_smtpmode if this is used
+ * (false = disable authentication)
+ */
 "mail_smtpauth" => false,
+/* Username to use for sendmail mail, depends on mail_smtpauth if this is used */
 "mail_smtpname" => "",
+/* Password to use for sendmail mail, depends on mail_smtpauth if this is used */
 "mail_smtppassword" => "",
+/* Check 3rdparty apps for malicious code fragments */
 "appcodechecker" => "",
-"log_type" => "",
+/* Place to log to, can be owncloud and syslog (owncloud is log menu item in admin menu) */
+"log_type" => "owncloud",
+/* File for the owncloud logger to log to, (default is ownloud.log in the data dir */
 "logfile" => "",
+/* Loglevel to start logging at. 0=DEBUG, 1=INFO, 2=WARN, 3=ERROR (default is WARN) */
 "loglevel" => "",
 /* Set this to false to disable the check for writable apps dir.
  * If the apps dir is not writable, you can't download&install extra apps
  * in the admin apps menu.
  */
 "writable_appsdir" => true,
+/* The directory where the user data is stored, default to data in the owncloud
+ * directory. The sqlite database is also stored here, when sqlite is used.
+ */
 // "datadirectory" => ""
 );
 ?>