diff --git a/lib/Refund.php b/lib/Refund.php
index e7dab2698..2ec220ab7 100644
--- a/lib/Refund.php
+++ b/lib/Refund.php
@@ -13,7 +13,7 @@
  * @property int $created
  * @property string $currency
  * @property string $failure_balance_transaction
- * @property string failure_reason
+ * @property string $failure_reason
  * @property StripeObject $metadata
  * @property mixed $reason
  * @property mixed $receipt_number
diff --git a/lib/StripeObject.php b/lib/StripeObject.php
index 2e249e946..a096dddef 100644
--- a/lib/StripeObject.php
+++ b/lib/StripeObject.php
@@ -220,7 +220,7 @@ public function values()
      * @param array $values
      * @param null|string|array|Util\RequestOptions $opts
      *
-     * @return StripeObject The object constructed from the given values.
+     * @return static The object constructed from the given values.
      */
     public static function constructFrom($values, $opts = null)
     {
@@ -499,9 +499,10 @@ public function getLastResponse()
     }
 
     /**
-     * @param ApiResponse
+     * Sets the last response from the Stripe API
      *
-     * @return void Set the last response from the Stripe API
+     * @param ApiResponse $resp
+     * @return void
      */
     public function setLastResponse($resp)
     {
diff --git a/lib/Subscription.php b/lib/Subscription.php
index 5cdebb87a..e6bfa1dd3 100644
--- a/lib/Subscription.php
+++ b/lib/Subscription.php
@@ -13,8 +13,8 @@
  * @property bool $cancel_at_period_end
  * @property int $canceled_at
  * @property int $created
- * @property int current_period_end
- * @property int current_period_start
+ * @property int $current_period_end
+ * @property int $current_period_start
  * @property string $customer
  * @property int $days_until_due
  * @property Discount $discount