diff --git a/.travis.yml b/.travis.yml
index 51e234a..dbecbe6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,7 @@
 language: php
 
 php:
-  - 5.6
-  - 5.3.3
-#  - hhvm
+  - 7.2.5
 
 services:
   - redis-server
@@ -20,11 +18,8 @@ env:
     - TEST_SUITE=PluginTests MYSQL_ADAPTER=PDO_MYSQL TEST_AGAINST_CORE=minimum_required_piwik
 
 matrix:
-  exclude:
-    # execute latest stable tests only w/ PHP 5.5
-    - php: 5.3.3
-      env: TEST_SUITE=PluginTests MYSQL_ADAPTER=PDO_MYSQL TEST_AGAINST_CORE=minimum_required_piwik
-    - php: 5.4
+  exclude:    
+    - php: 7.2.5
       env: TEST_SUITE=PluginTests MYSQL_ADAPTER=PDO_MYSQL TEST_AGAINST_CORE=minimum_required_piwik
 
 script: $PIWIK_ROOT_DIR/tests/travis/travis.sh
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ad2cca..23b37e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## Changelog
 
+### CustomOptOut 2.0.0
+* Matomo  4 compatibility
+* Fix spelling issue
+
 ### CustomOptOut 1.0.2, 1.0.3 (HotFix)
 * (PR #53) CSS fix and libraries update
 * Update [CodeMirror Editor](http://codemirror.net)
diff --git a/SystemSettings.php b/SystemSettings.php
index e84808f..ff4c3d0 100644
--- a/SystemSettings.php
+++ b/SystemSettings.php
@@ -11,7 +11,7 @@
 use Piwik\Piwik;
 use Piwik\Settings\FieldConfig;
 use Piwik\Settings\Setting;
-
+use Piwik\Settings\Plugin\SystemSettings as BaseSettings;
 /**
  * Defines Settings for CustomOptOut.
  *
@@ -21,7 +21,7 @@
  * $settings->metric->getValue();
  *
  */
-class SystemSettings extends \Piwik\Settings\Plugin\SystemSettings
+class SystemSettings extends BaseSettings
 {
     /**
      * @var Setting
diff --git a/lang/en.json b/lang/en.json
index 6f67149..3fd97b4 100644
--- a/lang/en.json
+++ b/lang/en.json
@@ -5,10 +5,10 @@
         "EditorThemeOptionName" : "Editor Theme",
         "EditorThemeDescription" : "Choose a theme for the editor.",
         "DefaultCssStyles" : "Default Stylesheets",
-        "DefaultCssStylesDescription": "This css styles will be used if no page is selected.",
+        "DefaultCssStylesDescription": "This css style will be used if no page is selected.",
         "DefaultCssFile": "Default Stylesheets file",
         "DefaultCssFileDescription": "This css file will be used if no page is selected.",
         "EnableJavascriptInjectionDescription": "Enable this option to show fields to enter javascript.",
-        "EnableJavascriptInjection": "Enable Javascript fields"
+        "EnableJavascriptInjection": "Enable Javascript fields"        
     }
 }
diff --git a/plugin.json b/plugin.json
index 5534da0..d5b021e 100644
--- a/plugin.json
+++ b/plugin.json
@@ -1,6 +1,6 @@
 {
     "name": "CustomOptOut",
-    "version": "1.0.3",
+    "version": "2.0.0",
     "description": "Create your own opt-out iframe css styles",
     "keywords": [
         "Opt-Out",
@@ -10,8 +10,8 @@
     "license": "GPL-3.0+",
     "homepage": "https:\/\/www.zwei-entwickler.de",
     "require": {
-        "piwik": ">=3.0.0-b1,<4.0.0-b1",
-        "php": ">=5.5.9"
+        "matomo": ">=4.0.0-b1,<5.0.0-b1",
+        "php": ">=7.2.5"
     },
     "donate": {
         "paypal": "info@two-developers.com"
diff --git a/templates/index.twig b/templates/index.twig
index 95fedeb..3677c1d 100644
--- a/templates/index.twig
+++ b/templates/index.twig
@@ -61,20 +61,20 @@
         {% endif %}
         <tr>
             <td colspan="5">
-                {% set optOutUrl %}{% spaceless %}
+                {% set optOutUrl %}
                     {% if showOldLinks %}
                         {{ piwikUrl }}index.php?module=CustomOptOut&action=optOut&idsite={{ site.idsite|escape('url') }}&language={{ language }}
                     {% else %}
                         {{ piwikUrl }}index.php?module=CoreAdminHome&action=optOut&idsite={{ site.idsite|escape('url') }}&language={{ language }}
                     {% endif %}
-            {% endspaceless %}{% endset %}
+            {% endset %}
                 {% set iframeOptOut %}
                     <iframe style="border: 0; height: 200px; width: 600px;" src="{{ optOutUrl }}"></iframe>
                 {% endset %}
 
                 <code>{{ iframeOptOut|escape }}</code>
                 <br/>
-                {{ 'CoreAdminHome_OptOutExplanationBis'|translate("<a href='" ~ optOutUrl ~ "' target='_blank'>","</a>")|raw }}
+                {{ 'CoreAdminHome_OptOutExplanationIntro'|translate("<a href='" ~ optOutUrl ~ "' target='_blank'>","</a>")|raw }}
             </td>
         {% endfor %}
     </table>