diff --git a/src/Entity/Facet.php b/src/Entity/Facet.php
index fb10862..a1037c8 100644
--- a/src/Entity/Facet.php
+++ b/src/Entity/Facet.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\facetapi\Entity;
 
+use Drupal\Component\Utility\Xss;
 use Drupal\Core\Config\Entity\ConfigEntityBase;
 use Drupal\facetapi\FacetInterface;
 
@@ -432,7 +433,7 @@ class Facet extends ConfigEntityBase implements FacetInterface {
    * {@inheritdoc}
    */
   public function setUrlParameter($url_parameter) {
-    $this->url_parameter = $url_parameter;
+    $this->url_parameter = Xss::filter($url_parameter);
   }
 
   /**
diff --git a/src/Form/FacetForm.php b/src/Form/FacetForm.php
index 91823df..d0def24 100644
--- a/src/Form/FacetForm.php
+++ b/src/Form/FacetForm.php
@@ -177,7 +177,6 @@ class FacetForm extends EntityForm {
     $form['url_parameter'] = [
       '#type' => 'textfield',
       '#title' => $this->t('The name of the facet for usage in URLs'),
-      '#description' => $this->t('Enter the name of the facet for usage in URLs, this has to adhere to the URL standards.'),
       '#default_value' => $facet->getUrlParameter(),
       '#maxlength' => 50,
       '#required' => TRUE,