diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index f803293..4980123 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -12,6 +12,7 @@ class Configuration implements ConfigurationInterface
 {
     /**
      * {@inheritdoc}
+     * @return TreeBuilder
      */
     public function getConfigTreeBuilder()
     {
diff --git a/Form/Type/SettingsType.php b/Form/Type/SettingsType.php
index 49046bc..d31615e 100644
--- a/Form/Type/SettingsType.php
+++ b/Form/Type/SettingsType.php
@@ -77,6 +77,9 @@ public function configureOptions(OptionsResolver $resolver)
         );
     }
 
+    /**
+     * @return string
+     */
     public function getBlockPrefix()
     {
         return 'settings_management';