diff --git a/CRM/TwingleCampaign/BAO/Configuration.php b/CRM/TwingleCampaign/BAO/Configuration.php
index d6cdf92..b495043 100644
--- a/CRM/TwingleCampaign/BAO/Configuration.php
+++ b/CRM/TwingleCampaign/BAO/Configuration.php
@@ -23,7 +23,7 @@ class CRM_TwingleCampaign_BAO_Configuration {
       if (!array_key_exists('twinglecampaign_soft_credits', $settings)) {
         Civi::settings()->set('twinglecampaign_soft_credits', 0);
       }
-      
+
       Civi::settings()->add($settings);
   }
 
diff --git a/CRM/TwingleCampaign/Form/Settings.php b/CRM/TwingleCampaign/Form/Settings.php
index c06ddcb..49a52d4 100644
--- a/CRM/TwingleCampaign/Form/Settings.php
+++ b/CRM/TwingleCampaign/Form/Settings.php
@@ -16,21 +16,24 @@ class CRM_TwingleCampaign_Form_Settings extends CRM_Core_Form {
 
   public function buildQuickForm() {
 
-    $this->addElement('text',
+    $this->addElement(
+      'text',
       'twingle_api_key',
       E::ts('Twingle API key')
     );
 
-    $this->addElement('select',
+    $this->addElement(
+      'select',
       'twinglecampaign_xcm_profile',
-      E::ts('XCM Profile to match event initiator'),
+      E::ts('XCM Profile to match event initiators'),
       $this->getXCMProfiles(),
       ['class' => 'crm-select2 huge']
     );
 
-    $this->addElement('select',
+    $this->addElement(
+      'select',
       'twinglecampaign_start_case',
-      E::ts('Start a case for event initiator'),
+      E::ts('Start a case for event initiators'),
       $this->getCaseTypes(),
       ['class' => 'crm-select2 huge']
     );
@@ -75,7 +78,7 @@ class CRM_TwingleCampaign_Form_Settings extends CRM_Core_Form {
    *
    * @return array
    */
-  private function getXCMProfiles() {
+  private function getXCMProfiles(): array {
     $xcmProfiles = [];
     if (method_exists('CRM_Xcm_Configuration', 'getProfileList')) {
       $profiles = CRM_Xcm_Configuration::getProfileList();
@@ -91,7 +94,7 @@ class CRM_TwingleCampaign_Form_Settings extends CRM_Core_Form {
    *
    * @return array
    */
-  private function getCaseTypes() {
+  private function getCaseTypes(): array {
     $caseTypes = [NULL => E::ts('none')];
     try {
       $result = civicrm_api3('CaseType', 'get', [
@@ -104,7 +107,7 @@ class CRM_TwingleCampaign_Form_Settings extends CRM_Core_Form {
       }
     } catch (CiviCRM_API3_Exception $e) {
       Civi::log()->error(
-        'TwingleCampaign could not retrieve case types: ' .
+        E::LONG_NAME . ' could not retrieve case types: ' .
         $e->getMessage());
     }
     return $caseTypes;
diff --git a/CRM/TwingleCampaign/Upgrader.php b/CRM/TwingleCampaign/Upgrader.php
index 2154687..a2b5da2 100644
--- a/CRM/TwingleCampaign/Upgrader.php
+++ b/CRM/TwingleCampaign/Upgrader.php
@@ -55,10 +55,6 @@ class CRM_TwingleCampaign_Upgrader extends CRM_TwingleCampaign_Upgrader_Base {
       $ov = new OptionValue($option_value);
       $ov->create();
     }
-
-    // Create XCM-Profile
-    // TODO: create XCM-Profil
-    
   }
 
   /**