diff --git a/core/lib/Drupal/Component/Utility/SafeMarkup.php b/core/lib/Drupal/Component/Utility/SafeMarkup.php
index d32ac6d..7da361f 100644
--- a/core/lib/Drupal/Component/Utility/SafeMarkup.php
+++ b/core/lib/Drupal/Component/Utility/SafeMarkup.php
@@ -285,8 +285,8 @@ public static function placeholder($text) {
   /**
    * Replace all occurrences of the search string with the replacement string.
    *
-   * Functions identically to str_replace(), but marks the returned output as safe
-   * if all the inputs and the subject have also been marked as safe.
+   * Functions identically to str_replace(), but marks the returned output as
+   * safe if all the inputs and the subject have also been marked as safe.
    *
    * @param string|array $search
    *   The value being searched for. An array may be used to designate multiple
diff --git a/core/modules/contextual/src/Element/ContextualLinksPlaceholder.php b/core/modules/contextual/src/Element/ContextualLinksPlaceholder.php
index 5c54ab9..a0c2739 100644
--- a/core/modules/contextual/src/Element/ContextualLinksPlaceholder.php
+++ b/core/modules/contextual/src/Element/ContextualLinksPlaceholder.php
@@ -48,9 +48,9 @@ public function getInfo() {
    * @see _contextual_links_to_id()
    */
   public static function preRenderPlaceholder(array $element) {
-    // This markup is safe because the only arguments will be instances of 
+    // This markup is safe because the arguments will always be instances of
     // \Drupal\Core\Template\AttributeString, which is passed through
-    // \Drupal\Component\Utility\SafeMarkup::checkPlain() before being output
+    // \Drupal\Component\Utility\SafeMarkup::checkPlain() before being output.
     $element['#markup'] = SafeMarkup::set('<div' . new Attribute(array('data-contextual-id' => $element['#id'])) . '></div>');
     return $element;
   }