fix(docs): Fix RST parsing of the sample config

Signed-off-by: Joas Schilling <coding@schilljs.com>

config/config.sample.php

@@ -139,9 +139,9 @@ $CONFIG = [
 'dbtableprefix' => '',
 
 /**
- *  Enable persistent connexions to the database.
- *  This setting uses the "persistent" option from doctrine dbal, which in turn
- *  uses the PDO::ATTR_PERSISTENT option from de pdo driver.
+ * Enable persistent connexions to the database.
+ * This setting uses the "persistent" option from doctrine dbal, which in turn
+ * uses the PDO::ATTR_PERSISTENT option from the pdo driver.
  */
 'dbpersistent' => '',
 
@@ -790,9 +790,10 @@ $CONFIG = [
  * The channel that Nextcloud should use to look for updates
  *
  * Supported values:
- *   - ``daily``
- *   - ``beta``
- *   - ``stable``
+ *
+ * - ``daily``
+ * - ``beta``
+ * - ``stable``
  */
 'updater.release.channel' => 'stable',
 
@@ -1032,10 +1033,11 @@ $CONFIG = [
  * seen in the first-run wizard and on Personal pages.
  *
  * Defaults to:
- *  - Desktop client: ``https://nextcloud.com/install/#install-clients``
- *  - Android client: ``https://play.google.com/store/apps/details?id=com.nextcloud.client``
- *  - iOS client: ``https://itunes.apple.com/us/app/nextcloud/id1125420102?mt=8``
- *  - iOS client app id: ``1125420102``
+ *
+ * - Desktop client: ``https://nextcloud.com/install/#install-clients``
+ * - Android client: ``https://play.google.com/store/apps/details?id=com.nextcloud.client``
+ * - iOS client: ``https://itunes.apple.com/us/app/nextcloud/id1125420102?mt=8``
+ * - iOS client app id: ``1125420102``
  */
 'customclient_desktop' =>
 	'https://nextcloud.com/install/#install-clients',