diff --git a/src/Plugin/CvValidator/Max.php b/src/Plugin/CvValidator/Max.php
index 58598a3..f10a256 100644
--- a/src/Plugin/CvValidator/Max.php
+++ b/src/Plugin/CvValidator/Max.php
@@ -26,7 +26,7 @@ class Max extends CvValidatorBase {
     // rule.
     return [
       'messages' => [
-        'max' => $this->t('The value in @title has to be less than @max.', ['@title' => $this->getElementTitle($element), '@max' => $this->getAttributeValue($element, 'max')]),
+        'max' => $this->t('The value in @title has to be less than @max.', ['@title' => strtolower($this->getElementTitle($element)), '@max' => $this->getAttributeValue($element, 'max')]),
       ],
     ];
   }
diff --git a/src/Plugin/CvValidator/Min.php b/src/Plugin/CvValidator/Min.php
index c04b63a..73ce630 100644
--- a/src/Plugin/CvValidator/Min.php
+++ b/src/Plugin/CvValidator/Min.php
@@ -26,7 +26,7 @@ class Min extends CvValidatorBase {
     // rule.
     return [
       'messages' => [
-        'min' => $this->t('The value in @title has to be greater than @min.', ['@title' => $this->getElementTitle($element), '@min' => $this->getAttributeValue($element, 'min')]),
+        'min' => $this->t('The value in @title has to be greater than @min.', ['@title' => strtolower($this->getElementTitle($element)), '@min' => $this->getAttributeValue($element, 'min')]),
       ],
     ];
   }
diff --git a/src/Plugin/CvValidator/Step.php b/src/Plugin/CvValidator/Step.php
index 2d91eec..7a3ceca 100644
--- a/src/Plugin/CvValidator/Step.php
+++ b/src/Plugin/CvValidator/Step.php
@@ -27,13 +27,13 @@ class Step extends CvValidatorBase {
       if (($min = $this->getAttributeValue($element, 'min'))) {
         return [
           'messages' => [
-            'step' => $this->t('The value in @title has to be greater than @min by steps of @step.', ['@title' => $this->getElementTitle($element), '@step' => $step, '@min' => $min]),
+            'step' => $this->t('The value in @title has to be greater than @min by steps of @step.', ['@title' => strtolower($this->getElementTitle($element)), '@step' => $step, '@min' => $min]),
           ],
         ];
       }
       return [
         'messages' => [
-          'step' => $this->t('The value in @title has to be divisible by @step.', ['@title' => $this->getElementTitle($element), '@step' => $step]),
+          'step' => $this->t('The value in @title has to be divisible by @step.', ['@title' => strtolower($this->getElementTitle($element)), '@step' => $step]),
         ],
       ];
     }