diff --git a/Controller/Api/LimiterApiController.php b/Controller/Api/LimiterApiController.php
index 8c64ea5..303df56 100644
--- a/Controller/Api/LimiterApiController.php
+++ b/Controller/Api/LimiterApiController.php
@@ -81,7 +81,7 @@ public function getStyleAction()
      */
     private function getViewFromLimiter($key)
     {
-        $limiter = $this->coreParametersHelper->getParameter('limiter');
+        $limiter = $this->coreParametersHelper->get('limiter');
         $view    = $this->view(['response' => ArrayHelper::getValue($key, $limiter)]);
 
         return $this->handleView($view);
@@ -92,7 +92,7 @@ private function getViewFromLimiter($key)
      */
     public function getAction()
     {
-        $limiter = $this->coreParametersHelper->getParameter('limiter');
+        $limiter = $this->coreParametersHelper->get('limiter');
         if (isset($limiter[self::API_SECRET_KEY])) {
             unset($limiter[self::API_SECRET_KEY]);
         }
@@ -147,7 +147,7 @@ private function processUpdate($key)
 
             return $this->handleView($view);
         }
-        $limiter       = $this->coreParametersHelper->getParameter('limiter');
+        $limiter       = $this->coreParametersHelper->get('limiter');
 
         $apiSecretKeyFromRequest = ArrayHelper::getValue(self::API_SECRET_KEY, $all);
         if (is_null($apiSecretKeyFromRequest)) {
@@ -175,7 +175,7 @@ private function processUpdate($key)
         $toUpdate      = ['limiter' => $limiter];
         $this->configurator->mergeParameters($toUpdate);
         $this->configurator->write();
-        $this->filesystem->remove($this->coreParametersHelper->getParameter('kernel.cache_dir'));
+        $this->filesystem->remove($this->coreParametersHelper->get('kernel.cache_dir'));
         $view = $this->view(['success' => '1'], Codes::HTTP_OK);
 
         return $this->handleView($view);
diff --git a/Integration/LimiterSettings.php b/Integration/LimiterSettings.php
index e4c9878..c329c8c 100644
--- a/Integration/LimiterSettings.php
+++ b/Integration/LimiterSettings.php
@@ -57,7 +57,7 @@ class LimiterSettings
      */
     public function __construct(CoreParametersHelper $coreParametersHelper, Connection $connection)
     {
-        $limiter          = $coreParametersHelper->getParameter('limiter', []);
+        $limiter          = $coreParametersHelper->get('limiter', []);
         $this->limit      = (int) ArrayHelper::getValue('limit', $limiter, 0);
         $this->message    = (string) ArrayHelper::getValue('message', $limiter, '');
         $this->style      = (string) ArrayHelper::getValue('style', $limiter, '');
diff --git a/README.md b/README.md
index b1737fd..2a2c404 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
-# Limiter for Mautic
+# Limiter for Mautic 3
+
+_If you're interest Limiter for Mautic 2, please contact me._
 
 This plugin disable Mautic features after extend limit of number of identified contacts. You can hide create new contact, new email, campaigns or editation too.