diff --git a/src/Exception/DestinationException.php b/src/Exception/DestinationException.php
new file mode 100755
index 0000000..5510823
--- /dev/null
+++ b/src/Exception/DestinationException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Valerian\GoogleDistanceMatrix\Exception;
+
+class DestinationException extends Exception
+{
+}
diff --git a/src/Exception/Exception.php b/src/Exception/Exception.php
new file mode 100755
index 0000000..68bbbec
--- /dev/null
+++ b/src/Exception/Exception.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Valerian\GoogleDistanceMatrix\Exception;
+
+class Exception extends \Exception
+{
+}
diff --git a/src/Exception/OriginException.php b/src/Exception/OriginException.php
new file mode 100755
index 0000000..261f372
--- /dev/null
+++ b/src/Exception/OriginException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Valerian\GoogleDistanceMatrix\Exception;
+
+class OriginException extends Exception
+{
+}
diff --git a/src/Exception/ResponseException.php b/src/Exception/ResponseException.php
new file mode 100755
index 0000000..1e027bc
--- /dev/null
+++ b/src/Exception/ResponseException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Valerian\GoogleDistanceMatrix\Exception;
+
+class ResponseException extends Exception
+{
+}
diff --git a/src/GoogleDistanceMatrix.php b/src/GoogleDistanceMatrix.php
index c03f427..15ab82a 100755
--- a/src/GoogleDistanceMatrix.php
+++ b/src/GoogleDistanceMatrix.php
@@ -274,7 +274,7 @@ private function validateResponse(GoogleDistanceMatrixResponse $response)
                 throw new Exception\ResponseException("Unknown error.", 5);
                 break;
             default:
-                throw new Exception\ResponseException("Unknown status code.", 6);
+                throw new Exception\ResponseException(sprintf("Unknown status code: %s",$response->getStatus()), 6);
                 break;
         }
     }
diff --git a/src/Response/Address.php b/src/Response/Address.php
index 6be3004..33d2925 100755
--- a/src/Response/Address.php
+++ b/src/Response/Address.php
@@ -2,7 +2,6 @@
 
 namespace Valerian\GoogleDistanceMatrix\Response;
 
-
 class Address
 {
     /**
@@ -12,6 +11,7 @@ class Address
 
     /**
      * Address constructor.
+     *
      * @param $address string
      */
     public function __construct($address)
@@ -26,4 +26,4 @@ public function __toString()
     {
         return $this->address;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Response/Distance.php b/src/Response/Distance.php
index c03d445..71c316a 100755
--- a/src/Response/Distance.php
+++ b/src/Response/Distance.php
@@ -2,16 +2,15 @@
 
 namespace Valerian\GoogleDistanceMatrix\Response;
 
-
 class Distance
 {
-
     private $text;
 
     private $value;
 
     /**
      * Distance constructor.
+     *
      * @param $text
      * @param $value
      */
@@ -41,4 +40,4 @@ public function getValue()
     {
         return $this->value;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Response/Duration.php b/src/Response/Duration.php
index 9031ffc..b632024 100755
--- a/src/Response/Duration.php
+++ b/src/Response/Duration.php
@@ -1,16 +1,16 @@
 <?php
-namespace Valerian\GoogleDistanceMatrix\Response;
 
+namespace Valerian\GoogleDistanceMatrix\Response;
 
 class Duration
 {
-
     private $text;
 
     private $value;
 
     /**
      * Distance constructor.
+     *
      * @param $text
      * @param $value
      */
@@ -40,4 +40,4 @@ public function getValue()
     {
         return $this->value;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Response/Element.php b/src/Response/Element.php
index d79e01e..e001cbf 100755
--- a/src/Response/Element.php
+++ b/src/Response/Element.php
@@ -4,17 +4,16 @@
 
 use Valerian\GoogleDistanceMatrix\Exception\Exception;
 
-
 class Element
 {
     const STATUS_OK = 'OK';
-    const STATUS_NOT_FOUND = 'NOT_FOUND' ;
+    const STATUS_NOT_FOUND = 'NOT_FOUND';
     const STATUS_ZERO_RESULTS = 'ZERO_RESULTS';
 
     const STATUS = [
         self::STATUS_OK,
         self::STATUS_NOT_FOUND,
-        self::STATUS_ZERO_RESULTS
+        self::STATUS_ZERO_RESULTS,
     ];
 
     private $status;
@@ -25,17 +24,17 @@ class Element
 
     /**
      * Element constructor.
+     *
      * @param $status
      * @param Duration $duration
      * @param Distance $distance
      */
     public function __construct($status, Duration $duration, Distance $distance)
     {
-        if(!in_array($status,self::STATUS)) {
-            throw new Exception('Unknown status code');
+        if (!in_array($status, self::STATUS)) {
+            throw new Exception(sprintf('Unknown status code: %s', $status));
         }
 
-
         $this->status = $status;
         $this->duration = $duration;
         $this->distance = $distance;
@@ -64,4 +63,4 @@ public function getDistance()
     {
         return $this->distance;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Response/GoogleDistanceMatrixResponse.php b/src/Response/GoogleDistanceMatrixResponse.php
index f80df92..bdf458e 100755
--- a/src/Response/GoogleDistanceMatrixResponse.php
+++ b/src/Response/GoogleDistanceMatrixResponse.php
@@ -4,7 +4,6 @@
 
 class GoogleDistanceMatrixResponse
 {
-
     const RESPONSE_STATUS_OK = 'OK';
     const RESPONSE_STATUS_INVALID_REQUEST = 'INVALID_REQUEST';
     const RESPONSE_STATUS_MAX_ELEMENTS_EXCEEDED = 'MAX_ELEMENTS_EXCEEDED';
@@ -18,7 +17,7 @@ class GoogleDistanceMatrixResponse
         self::RESPONSE_STATUS_MAX_ELEMENTS_EXCEEDED,
         self::RESPONSE_STATUS_OVER_QUERY_LIMIT,
         self::RESPONSE_STATUS_REQUEST_DENIED,
-        self::RESPONSE_STATUS_UNKNOWN_ERROR
+        self::RESPONSE_STATUS_UNKNOWN_ERROR,
     ];
 
     private $status;
@@ -31,7 +30,7 @@ class GoogleDistanceMatrixResponse
 
     private $rows;
 
-	public function __construct(\stdClass $responseObject)
+    public function __construct(\stdClass $responseObject)
     {
         $this->responseObject = $responseObject;
         $this->originAddresses = array();
@@ -95,29 +94,26 @@ public function getRows()
         return $this->rows;
     }
 
-
     private function construct()
     {
         $this->status = $this->responseObject->status;
 
-        foreach ($this->responseObject->origin_addresses as $originAddress){
+        foreach ($this->responseObject->origin_addresses as $originAddress) {
             $this->addOriginAddress(new Address($originAddress));
         }
 
-        foreach ($this->responseObject->destination_addresses as $destinationAddress){
+        foreach ($this->responseObject->destination_addresses as $destinationAddress) {
             $this->addDestinationAddress(new Address($destinationAddress));
         }
 
-        foreach ($this->responseObject->rows as $row){
-
+        foreach ($this->responseObject->rows as $row) {
             $elements = array();
-            foreach($row->elements as $element){
-                $duration = new Duration($element->duration->text,$element->duration->value);
-                $distance = new Distance($element->distance->text,$element->distance->value);
-                $elements[] = new Element($element->status,$duration,$distance);
+            foreach ($row->elements as $element) {
+                $duration = new Duration($element->duration->text, $element->duration->value);
+                $distance = new Distance($element->distance->text, $element->distance->value);
+                $elements[] = new Element($element->status, $duration, $distance);
             }
             $this->addRow(new Row($elements));
         }
-
     }
-}
\ No newline at end of file
+}
diff --git a/src/Response/Row.php b/src/Response/Row.php
index 01a717b..636d5d6 100755
--- a/src/Response/Row.php
+++ b/src/Response/Row.php
@@ -3,12 +3,11 @@
  * Created by PhpStorm.
  * User: ciro
  * Date: 10/07/17
- * Time: 17:19
+ * Time: 17:19.
  */
 
 namespace Valerian\GoogleDistanceMatrix\Response;
 
-
 class Row
 {
     /**
@@ -28,5 +27,4 @@ public function getElements()
     {
         return $this->elements;
     }
-
-}
\ No newline at end of file
+}