diff --git a/src/Connection.php b/src/Connection.php
index 8d977cb..655cf40 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -30,21 +30,21 @@ class Connection
             if (is_dir($config)) {
                 $this->loadEnv($config);
             }
-        } 
+        }
         $this->initPdo();
     }
 
     private function parseArray($config)
     {
         try {
-            $key = (strtolower(trim($this->name)));  
+            $key = (strtolower(trim($this->name)));
             $this->type = isset($config[$key]["TYPE"]) ? $config[$key]["TYPE"] : null;
             $this->user = isset($config[$key]["USER"]) ? $config[$key]["USER"] : null;
             $this->host = isset($config[$key]["HOST"]) ? $config[$config[$key]["HOST"]] : null;
             $this->password = isset($config[$key]["PASSWORD"]) ? $config[$key]["PASSWORD"] : null;
             $this->database = isset($config[$key]["DATABASE"]) ? $config[$key]["DATABASE"] : null;
             $this->port = isset($config[$key]["PORT"]) ? $config[$key]["PORT"] : null;
-        } catch (\Throwable $th) {            
+        } catch (\Throwable $th) {
             $this->error = $th->getMessage();
         }
     }
@@ -172,21 +172,20 @@ class Connection
             if (!isset(self::$instances[$connection])) {
                 self::$instances[$connection] = new Connection($connection, $config);
             }
-        }         
+        }
     }
 
-    public static function getInstance($connection="")
-    {       
-        if($connection=="" && count(self::$instances)>0)
-        {
+    public static function getInstance($connection = "")
+    {
+        if ($connection == "" && count(self::$instances) > 0) {
             $connection = array_keys(self::$instances)[0];
-        } 
+        }
         if (isset(self::$instances[$connection])) {
             $instance = self::$instances[$connection];
             if ($instance instanceof Connection) {
                 return self::$instances[$connection];
             }
-        }   
+        }
         throw new \Exception("Unknown connection");
     }
 
diff --git a/src/Model.php b/src/Model.php
index 65e0bd9..2eb64b8 100644
--- a/src/Model.php
+++ b/src/Model.php
@@ -8,11 +8,11 @@ class Model
     protected array $updated;
     protected string $table;
     protected string $connection = "";
-    protected string $pk; 
+    protected string $pk;
     private bool $new;
 
     public function __construct()
-    { 
+    {
         $this->new = true;
         $this->values = array();
         $this->updated = array();
@@ -62,7 +62,7 @@ class Model
     }
 
     public function save(): bool
-    { 
+    {
         $ret = false;
         $qb = $this->newQueryBuilder();
         if ($this->new) {
diff --git a/src/QueryBuilder.php b/src/QueryBuilder.php
index aedc8e0..c23ec70 100644
--- a/src/QueryBuilder.php
+++ b/src/QueryBuilder.php
@@ -3,7 +3,7 @@
 namespace Kletellier\PdoWrapper;
 
 class QueryBuilder
-{ 
+{
     protected array $columns;
     protected array $wheres;
     protected array $orders;
@@ -20,7 +20,7 @@ class QueryBuilder
     {
         $this->table = $table;
         $this->pk = $pk;
-        $this->connection = $connection; 
+        $this->connection = $connection;
         $this->reset();
     }
 
@@ -194,7 +194,7 @@ class QueryBuilder
     }
 
     private function getData(): mixed
-    { 
+    {
         return Connection::getInstance($this->connection)->getSelectQuery($this->getQuery());
     }