Reword configuration text

config/config.sample.php

@@ -800,11 +800,14 @@ $CONFIG = array(
 'cipher' => 'AES-256-CFB',
 
 /**
- * The minimum ownCloud desktop client version that is required to sync with
- * this instance. Defaults to the official supported releases by ownCloud.
- *
- * When adjusting this please be aware of the fact that older versions may
- * be buggy and for best user experience we recommend to not change this value.
+ * The minimum ownCloud desktop client version that will be allowed to sync with
+ * this server instance. All connections made from earlier clients will be denied
+ * by the server. Defaults to the minimum officially supported ownCloud version at
+ * the time of release of this server version.
+ *
+ * When changing this, note that older unsupported versions of the ownCloud desktop
+ * client may not function as expected, and could lead to permanent data loss for
+ * clients or other unexpected results.
  */
 'minimum.supported.desktop.version' => '1.7.0',