diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/filter/Compare.php b/core/modules/views/lib/Drupal/views/Plugin/views/filter/Compare.php
index 41df46d..1ab32be 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/filter/Compare.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/filter/Compare.php
@@ -97,7 +97,7 @@ public function buildOptionsForm(&$form, &$form_state) {
    * {@inheritdoc}
    */
   public function adminSummary() {
-    return check_plain(
+    return String::format(
       $this->options['left_field'] . ' ' .
       $this->options['operator'] . ' ' .
       $this->options['right_field']
@@ -107,7 +107,7 @@ public function adminSummary() {
   /**
    * {@inheritdoc}
    *
-   * Build extra condition from existing fields (from existing joins).
+   * Builds extra condition from existing fields (from existing joins).
    */
   public function query() {
     $left = $this->options['left_field'];
diff --git a/core/modules/views/lib/Drupal/views/Tests/Handler/FilterCompareTest.php b/core/modules/views/lib/Drupal/views/Tests/Handler/FilterCompareTest.php
index bf98e92..b4298a2 100644
--- a/core/modules/views/lib/Drupal/views/Tests/Handler/FilterCompareTest.php
+++ b/core/modules/views/lib/Drupal/views/Tests/Handler/FilterCompareTest.php
@@ -68,50 +68,54 @@ public function testCompare() {
     $this->assertIdenticalResultset($view, array(array('name' => 'John')), $this->columnMap);
     $view->destroy();
 
-    // Test the inequality operator.
-    $view->initDisplay();
-    $item = $view->getItem('default', 'filter', 'fields_compare');
-    $item['operator'] = '!=';
-    $view->setItem('default', 'filter', 'fields_compare', $item);
+    $tests = array();
+    $tests[] = array('=', array(
+      array('name' => 'John'),
+    ));
+
+    $tests[] = array('!=', array(
+      array('name' => 'George'),
+      array('name' => 'Ringo'),
+      array('name' => 'Paul'),
+      array('name' => 'Meredith')
+    ));
+
+    $tests[] = array('>', array(
+      array('name' => 'George'),
+      array('name' => 'Ringo'),
+    ));
+
+    $tests[] = array('>=', array(
+      array('name' => 'John'),
+      array('name' => 'George'),
+      array('name' => 'Ringo'),
+    ));
+
+    $tests[] = array('<', array(
+      array('name' => 'Paul'),
+      array('name' => 'Meredith'),
+    ));
+
+    $tests[] = array('<=', array(
+      array('name' => 'John'),
+      array('name' => 'Paul'),
+      array('name' => 'Meredith'),
+    ));
+
+    foreach ($tests as $parts) {
+      list($operator, $expected) = $parts;
+
+      $view->initDisplay();
+      $item = $view->getItem('default', 'filter', 'fields_compare');
+      $item['operator'] = $operator;
+      $view->setItem('default', 'filter', 'fields_compare', $item);
+
+      $this->executeView($view);
+      $this->assertIdenticalResultset($view, $expected, $this->columnMap);
+      $view->destroy();
+    }
 
-    $this->executeView($view);
-    $expected = array();
-    $expected[] = array('name' => 'George');
-    $expected[] = array('name' => 'Ringo');
-    $expected[] = array('name' => 'Paul');
-    $expected[] = array('name' => 'Meredith');
-
-    $this->assertIdenticalResultset($view, $expected, $this->columnMap);
-    $view->destroy();
-
-    // Test the is greater than operator.
-    $view->initDisplay();
-    $item = $view->getItem('default', 'filter', 'fields_compare');
-    $item['operator'] = '>';
-    $view->setItem('default', 'filter', 'fields_compare', $item);
-
-    $this->executeView($view);
-    $expected = array();
-    $expected[] = array('name' => 'George');
-    $expected[] = array('name' => 'Ringo');
 
-    $this->assertIdenticalResultset($view, $expected, $this->columnMap);
-    $view->destroy();
-
-    // Test the is greater than or equal operator.
-    $view->initDisplay();
-    $item = $view->getItem('default', 'filter', 'fields_compare');
-    $item['operator'] = '>=';
-    $view->setItem('default', 'filter', 'fields_compare', $item);
-
-    $this->executeView($view);
-    $expected = array();
-    $expected[] = array('name' => 'John');
-    $expected[] = array('name' => 'George');
-    $expected[] = array('name' => 'Ringo');
-
-    $this->assertIdenticalResultset($view, $expected, $this->columnMap);
-    $view->destroy();
   }
 
 }
diff --git a/core/modules/views/views.views.inc b/core/modules/views/views.views.inc
index a2d09d8..beeff4c 100644
--- a/core/modules/views/views.views.inc
+++ b/core/modules/views/views.views.inc
@@ -124,9 +124,8 @@ function views_views_data() {
 
   $data['views']['fields_compare'] = array(
     'title' => t('Fields comparison'),
-    'help' => t('Compare database fields against each other.'),
+    'help' => t('Compare two fields to filter the result of a view'),
     'filter' => array(
-      'help' => t('Use fields comparison to filter the result of the view.'),
       'id' => 'compare',
     )
   );