diff --git a/src/Shoplo/AuthStore.php b/src/Shoplo/AuthStore.php
index 46c34e3..3a140bd 100644
--- a/src/Shoplo/AuthStore.php
+++ b/src/Shoplo/AuthStore.php
@@ -4,10 +4,15 @@
 
 class AuthStore
 {
+    /**
+     * @var AuthStoreAbstract|AuthSessionStore
+     */
     static private $instance = false;
 
     /**
      * Request an instance of the OAuthStore
+     * @param null|AuthStoreAbstract $object
+     * @return AuthStoreAbstract|AuthSessionStore
      */
     public static function getInstance($object = null, $options = array())
     {
diff --git a/src/Shoplo/Resource.php b/src/Shoplo/Resource.php
index 1f2cf82..4431fd8 100755
--- a/src/Shoplo/Resource.php
+++ b/src/Shoplo/Resource.php
@@ -6,6 +6,9 @@
 
 class Resource
 {
+    /**
+     * @var \Shoplo\ShoploStoreAdapterInterface
+     */
     protected $client;
     protected $bucket = array();
     protected $prefix = '';
@@ -22,6 +25,10 @@ public function __construct(ShoploStoreAdapterInterface $client, $apiUrl)
         $this->api_url = $apiUrl;
     }
 
+    /**
+     * @param array $params
+     * @return false|string
+     */
     protected function prepare_params($params)
     {
         $string = '';
@@ -37,6 +44,10 @@ protected function prepare_params($params)
         return $string;
     }
 
+    /**
+     * @param array $result
+     * @return array
+     */
     protected function prepare_result($result)
     {
         if (!is_array($result)) {
diff --git a/src/Shoplo/ShoploApi.php b/src/Shoplo/ShoploApi.php
index 7a3c0c8..8a1bdca 100755
--- a/src/Shoplo/ShoploApi.php
+++ b/src/Shoplo/ShoploApi.php
@@ -11,32 +11,32 @@
 class ShoploApi
 {
     /**
-     * @var String
+     * @var string
      */
     private $api_key;
 
     /**
-     * @var String
+     * @var string
      */
     private $secret_key;
 
     /**
-     * @var ShoploAuthStore
+     * @var \Shoplo\AuthStore
      */
     private $auth_store;
 
     /**
-     * @var String
+     * @var string
      */
     private $oauth_token;
 
     /**
-     * @var String
+     * @var string
      */
     private $oauth_token_secret;
 
     /**
-     * @var Boolean
+     * @var boolean
      */
     public $authorized = false;
 
@@ -173,7 +173,7 @@ class ShoploApi
     public $api_url;
 
     /**
-     * @var String
+     * @var string
      */
     public $shop_domain = null;
 
@@ -182,6 +182,9 @@ class ShoploApi
      */
     private $ssoAuthClient;
 
+    /**
+     * @var GuzzleAdapter
+     */
     private $shoploStoreAdapterInterface;
 
     public function __construct($config, $authStore = null, $disableSession = false)
@@ -221,7 +224,7 @@ public function __construct($config, $authStore = null, $disableSession = false)
     }
 
     /**
-     * @param $config
+     * @param array $config
      */
     public function initSSOAuthClient($config)
     {
@@ -238,6 +241,9 @@ public function initSSOAuthClient($config)
         );
     }
 
+    /**
+     * @return string
+     */
     public function getAuthorizeUrl()
     {
         return $this->api_url.'/services/oauth/authorize';