diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php
index 0e43ac11d87..a53e0b9f6cb 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php
@@ -55,7 +55,7 @@ class DecimalFormatter extends NumericFormatterBase {
     $range = range(0, 10);
     $elements['scale'] = array(
       '#type' => 'select',
-      '#title' => t('Scale', array(), array('decimal places')),
+      '#title' => t('Scale', array(), array('context' => 'decimal places')),
       '#options' => array_combine($range, $range),
       '#default_value' => $this->getSetting('scale'),
       '#description' => t('The number of digits to the right of the decimal.'),
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
index b7f32eeb857..b898f8964f0 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
@@ -81,7 +81,7 @@ class DecimalItem extends NumericItemBase {
     $range = range(0, 10);
     $element['scale'] = array(
       '#type' => 'select',
-      '#title' => t('Scale', array(), array('decimal places')),
+      '#title' => t('Scale', array(), array('context' => 'decimal places')),
       '#options' => array_combine($range, $range),
       '#default_value' => $settings['scale'],
       '#description' => t('The number of digits to the right of the decimal.'),