diff --git a/core/lib/Drupal/Component/Utility/Random.php b/core/lib/Drupal/Component/Utility/Random.php
index 10d3bc7..1a938b6 100644
--- a/core/lib/Drupal/Component/Utility/Random.php
+++ b/core/lib/Drupal/Component/Utility/Random.php
@@ -162,13 +162,13 @@ public function object($size = 4) {
    *   The minimum number of words in the return string. Total word count
    *   can slightly exceed provided this value in order to deliver
    *   sentences of random length.
-   * @param bool $title
+   * @param bool $capitalize
    *   Uppercase all the words in the string.
    *
    * @return string
    *   Nonsense latin words which form sentence(s).
    */
-  public function createSentences($min_word_count, $title = FALSE) {
+  public function createSentences($min_word_count, $capitalize = FALSE) {
     $dictionary = array("abbas", "abdo", "abico", "abigo", "abluo", "accumsan",
       "acsi", "ad", "adipiscing", "aliquam", "aliquip", "amet", "antehabeo",
       "appellatio", "aptent", "at", "augue", "autem", "bene", "blandit",
@@ -202,7 +202,7 @@ public function createSentences($min_word_count, $title = FALSE) {
     $dictionary_flipped = array_flip($dictionary);
     $greeking = '';
 
-    if (!$title) {
+    if (!$capitalize) {
       $words_remaining = $min_word_count;
       while ($words_remaining > 0) {
         $sentence_length = mt_rand(3, 10);
@@ -225,12 +225,12 @@ public function createSentences($min_word_count, $title = FALSE) {
    * Generate a string that looks like a word.
    *
    * @param int $length
-   *    The desired word length.
+   *  The desired word length.
    *
    * @return string
    */
   public function generateWord($length) {
-    mt_srand((double)microtime()*1000000);
+    mt_srand((double) microtime()*1000000);
 
     $vowels = array("a", "e", "i", "o", "u");
     $cons = array("b", "c", "d", "g", "h", "j", "k", "l", "m", "n", "p", "r", "s", "t", "u", "v", "w", "tr",
@@ -248,7 +248,7 @@ public function generateWord($length) {
   }
 
   /**
-   * Generate greekings separated by double new line.
+   * Generate paragraphs separated by double new line.
    *
    * @param int $paragraph_count
    * @return string
@@ -256,7 +256,7 @@ public function generateWord($length) {
   public function generateParagraphs($paragraph_count = 12) {
     $output = '';
     for ($i = 1; $i <= $paragraph_count; $i++) {
-      $output .= $this->createSentences(mt_rand(20,60)) ."\n\n";
+      $output .= $this->createSentences(mt_rand(20, 60)) ."\n\n";
     }
     return $output;
   }
@@ -278,23 +278,23 @@ public function generateImage($destination, $min_resolution, $max_resolution) {
     $min = explode('x', $min_resolution);
     $max = explode('x', $max_resolution);
 
-    $width = rand((int)$min[0], (int)$max[0]);
-    $height = rand((int)$min[1], (int)$max[1]);
+    $width = rand((int) $min[0], (int) $max[0]);
+    $height = rand((int) $min[1], (int) $max[1]);
 
     // Make an image split into 4 sections with random colors.
     $im = imagecreate($width, $height);
     for ($n = 0; $n < 4; $n++) {
       $color = imagecolorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
-      $x = $width/2 * ($n % 2);
-      $y = $height/2 * (int) ($n >= 2);
-      imagefilledrectangle($im, $x, $y, $x + $width/2, $y + $height/2, $color);
+      $x = $width / 2 * ($n % 2);
+      $y = $height / 2 * (int) ($n >= 2);
+      imagefilledrectangle($im, $x, $y, $x + $width / 2, $y + $height / 2, $color);
     }
 
     // Make a perfect circle in the image middle.
     $color = imagecolorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
     $smaller_dimension = min($width, $height);
     $smaller_dimension = ($smaller_dimension % 2) ? $smaller_dimension : $smaller_dimension;
-    imageellipse($im, $width/2, $height/2, $smaller_dimension, $smaller_dimension, $color);
+    imageellipse($im, $width / 2, $height / 2, $smaller_dimension, $smaller_dimension, $color);
 
     $save_function = 'image'. ($extension == 'jpg' ? 'jpeg' : $extension);
     $save_function($im, $destination);
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php
index e6451e5..491eab7 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php
@@ -113,6 +113,9 @@ public function getSettableOptions(AccountInterface $account = NULL) {
     return $this->getPossibleOptions($account);
   }
 
+  /**
+   * {@inheritdoc}
+   */
   public function generate() {
     if ($allowed = $this->getPossibleValues()) {
       $values['value'] = array_rand(array_flip($allowed));