diff --git a/core/lib/Drupal/Core/Render/Element/Radio.php b/core/lib/Drupal/Core/Render/Element/Radio.php
index 8036952..108c14e 100644
--- a/core/lib/Drupal/Core/Render/Element/Radio.php
+++ b/core/lib/Drupal/Core/Render/Element/Radio.php
@@ -62,8 +62,9 @@ public static function preRenderRadio($element) {
     Element::setAttributes($element, array('id', 'name', '#return_value' => 'value'));
 
     if (isset($element['#return_value']) && $element['#value'] !== FALSE) {
-      // To avoid auto-casting during '==' we convert int 0 to '0' for both operands.
-      // It will prevent wrong true-checking for both cases: 0 == 'string' and 'string' == 0.
+      // To avoid auto-casting during '==' we convert int 0 to '0' for both
+      // operands. It will prevent wrong true-checking for both cases: 0 ==
+      // 'string' and 'string' == 0.
       if ($element['#value'] === 0) {
         $element['#value'] = '0';
       }
diff --git a/core/modules/system/src/Tests/Form/ElementTest.php b/core/modules/system/src/Tests/Form/ElementTest.php
index cf3e16e..249ad5e 100644
--- a/core/modules/system/src/Tests/Form/ElementTest.php
+++ b/core/modules/system/src/Tests/Form/ElementTest.php
@@ -97,7 +97,7 @@ function testOptions() {
    * Tests correct checked attribute for radios element.
    */
   function testRadiosChecked() {
-    // Additionally verify that there is only one radio option checked.
+    // Verify that there is only one radio option checked.
     $this->drupalGet('form-test/radios-checked');
     $elements = $this->xpath('//input[@name="radios" and @checked]');
     $this->assertEqual(count($elements), 1);
diff --git a/core/modules/views_ui/src/Tests/DisplayTest.php b/core/modules/views_ui/src/Tests/DisplayTest.php
index 9979f2a..0451045 100644
--- a/core/modules/views_ui/src/Tests/DisplayTest.php
+++ b/core/modules/views_ui/src/Tests/DisplayTest.php
@@ -168,7 +168,8 @@ public function testLinkDisplay() {
     $this->assertEqual($result[0], t('None'), 'Make sure that the link option summary shows "None" by default.');
 
     $this->drupalGet($link_display_path);
-    // We are looking to be selected a None option with '' key, that's why there is no key in the ID.
+    // We are looking for the None option which has a '' key, that's why there
+    // is no key appended in the ID.
     $this->assertFieldChecked('edit-link-display-');
 
     // Test the default radio option on the link display form.