minor fixes [skip ci]

framework/CHANGELOG.md

@@ -165,6 +165,7 @@ Yii Framework 2 Change Log
 - Enh #4317: Added `absoluteAuthTimeout` to yii\web\User (ivokund, nkovacs)
 - Enh #4360: Added client validation support for file validator (Skysplit)
 - Enh #4436: Added callback functions to AJAX-based form validation (thiagotalma)
+- Enh #4520: Added sasl support to `yii\caching\MemCache` (xjflyttp)
 - Enh: Added support for using sub-queries when building a DB query with `IN` condition (qiangxue)
 - Enh: Supported adding a new response formatter without the need to reconfigure existing formatters (qiangxue)
 - Enh: Added `yii\web\UrlManager::addRules()` to simplify adding new URL rules (qiangxue)
@@ -179,7 +180,6 @@ Yii Framework 2 Change Log
 - Enh: Added support for array attributes in `in` validator (creocoder)
 - Enh: Improved `yii\helpers\Inflector::slug` to support more cases for Russian, Hebrew and special characters (samdark)
 - Enh: ListView now uses the widget ID in the base tag, consistent to gridview (cebe)
-- Enh #4520: yii\caching/MemCache.php add sasl support (xjflyttp)
 - Chg #2287: Split `yii\db\ColumnSchema::typecast()` into two methods `phpTypecast()` and `dbTypecast()` to allow specifying PDO type explicitly (cebe)
 - Chg #2898: `yii\console\controllers\AssetController` is now using hashes instead of timestamps (samdark)
 - Chg #2913: RBAC `DbManager` is now initialized via migration (samdark)

framework/caching/MemCache.php

@@ -82,14 +82,13 @@ class MemCache extends Cache
      * @see http://ca2.php.net/manual/en/memcached.setoptions.php
      */
     public $options;
-
     /**
-     * @var string memcached sasl username
+     * @var string memcached sasl username. This property is used only when [[useMemcached]] is true.
      * @see http://php.net/manual/en/memcached.setsaslauthdata.php
      */
     public $username;
     /**
-     * @var string memcached sasl password
+     * @var string memcached sasl password. This property is used only when [[useMemcached]] is true.
      * @see http://php.net/manual/en/memcached.setsaslauthdata.php
      */
     public $password;