diff --git a/src/Interfaces/GeoInterface.php b/src/Interfaces/GeoInterface.php
index 6def1f4..ea5f5e1 100644
--- a/src/Interfaces/GeoInterface.php
+++ b/src/Interfaces/GeoInterface.php
@@ -26,10 +26,9 @@ public function getDistance();
     public function getCenter();
 
     /**
-     * clear all stored results.
-     *
-     * @return GeoInterface
+     * clear all stored results
      *
+     * @return  GeoInterface
      * @author karam mustafa
      */
     public function clearResult();
diff --git a/src/Traits/DataStorage.php b/src/Traits/DataStorage.php
index 6150979..00b0372 100644
--- a/src/Traits/DataStorage.php
+++ b/src/Traits/DataStorage.php
@@ -44,10 +44,10 @@ trait DataStorage
      */
     private $units = [
         'mile' => 1,
-        'km'   => 1.609344,
-        'm'    => (1.609344 * 1000),
-        'cm'   => (1.609344 * 100),
-        'mm'   => (1.609344 * 1000 * 1000),
+        'km' => 1.609344,
+        'm' => (1.609344 * 1000),
+        'cm' => (1.609344 * 100),
+        'mm' => (1.609344 * 1000 * 1000),
     ];
     /**
      * for develop and resolve any options.
@@ -71,7 +71,7 @@ public function getUnits()
     }
 
     /**
-     * @param array $units
+     * @param  array  $units
      *
      * @return DataStorage
      *
@@ -85,7 +85,7 @@ public function setUnits($units)
     }
 
     /**
-     * @param mixed $key
+     * @param  mixed  $key
      *
      * @return array
      *
@@ -99,7 +99,7 @@ public function getOptions($key = null)
     }
 
     /**
-     * @param array $options
+     * @param  array  $options
      *
      * @return DataStorage
      *
@@ -113,7 +113,7 @@ public function setOptions($options)
     }
 
     /**
-     * @param null $index
+     * @param  null  $index
      *
      * @return array
      *
@@ -141,7 +141,7 @@ public function setPoint($point)
     }
 
     /**
-     * @param array $points
+     * @param  array  $points
      *
      * @return DataStorage
      *
@@ -165,8 +165,9 @@ public function getResult()
     }
 
     /**
-     * @param mixed $result
-     * @param bool  $force
+     * @param  mixed  $result
+     *
+     * @param  bool  $force
      *
      * @return DataStorage
      *
@@ -192,7 +193,7 @@ public function clearStoredResults()
     }
 
     /**
-     * @param string $key
+     * @param  string  $key
      *
      * @return mixed
      *
@@ -206,8 +207,8 @@ public function getFromStorage($key = null)
     }
 
     /**
-     * @param string $key
-     * @param mixed  $value
+     * @param  string  $key
+     * @param  mixed  $value
      *
      * @return DataStorage
      *
@@ -233,7 +234,7 @@ public function clearStorage()
     }
 
     /**
-     * @param mixed $keys
+     * @param  mixed  $keys
      *
      * @return DataStorage
      *
diff --git a/src/Traits/Distances.php b/src/Traits/Distances.php
index c445504..d44b64f 100644
--- a/src/Traits/Distances.php
+++ b/src/Traits/Distances.php
@@ -192,14 +192,11 @@ private function getValueForAngleBetween()
      */
     private function calcDistance()
     {
-        $this->setInStorage(
-            'distance',
+        $this->setInStorage('distance',
             acos($this->getSin() + $this->getCos() * $this->getValueForAngleBetween())
-        )->setInStorage(
-            'rad2deg',
+        )->setInStorage('rad2deg',
             rad2deg($this->getFromStorage('distance'))
-        )->setInStorage(
-            'correctDistanceValue',
+        )->setInStorage('correctDistanceValue',
             $this->correctDistanceValue($this->getFromStorage('rad2deg'))
         );
 
@@ -249,10 +246,11 @@ private function resolveDistanceWithUnits($distance)
         // remove un required results and get the results from storage.
         return $this
             ->removeFromStorage('position', 'distance_key')
-            ->removeFromStorage('distance', 'rad2deg', 'correctDistanceValue')
+            ->removeFromStorage('distance' , 'rad2deg' , 'correctDistanceValue')
             ->getFromStorage();
     }
 
+
     /**
      * check if user chose any units.
      *
diff --git a/tests/Feature/AreasTest.php b/tests/Feature/AreasTest.php
index 566ebb0..e0a3478 100644
--- a/tests/Feature/AreasTest.php
+++ b/tests/Feature/AreasTest.php
@@ -21,7 +21,7 @@ public function test_center()
             ->getCenter();
 
         $this->assertEquals([
-            'lat'  => 27.508023496931,
+            'lat' => 27.508023496931,
             'long' => 38.424795502212,
         ], $result);
     }