diff -u b/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
--- b/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -71,17 +71,17 @@
    * Initializes the service container.
    */
   protected function initializeContainer() {
-    // While the default Symfony class name only depends on the environment,
-    // for testing purposes we can't use that because there would be a
-    // collission as each test method creates a new kernel. On the other hand,
-    // the container only depends on the enabled modules (and only on those
-    // that provide bundles) so we base the name of the container class on
-    // the hash of the enabled modules. We can't use directly the hash though
-    // because PHP identifiers always start with a letter and hashes don't so
-    // we add a charater to the beginning. This mechanism also avoids the
-    // problem of needing to rebuild the DIC at the right time on module
-    // enable: simply on the next request the hash will change and so the
-    // container will be rebuilt.
+    // While the default Symfony class name only depends on the environment, for
+    // testing purposes we can't use that because there would be a collision as
+    // each test method creates a new kernel. On the other hand, the container
+    // only depends on the enabled modules (and only on those that provide
+    // bundles) so we base the name of the container class on the hash of the
+    // enabled modules. We can't directly use the hash though because PHP
+    // identifiers always start with a letter and hashes don't so we add a
+    // character to the beginning. This mechanism also avoids the problem of
+    // needing to rebuild the DIC at the right time on module enable: simply on
+    // the next request the hash will change and so the container will be
+    // rebuilt.
     $class = 'c' . $this->systemList['module_enabled_hash'];
     $cache_file = $class . '.php';
 
@@ -136,18 +136,22 @@
   /**
    * Dumps the service container to PHP code in the config directory.
    *
-   * This method is based on the dumpContinaer method in the parent class, but
+   * This method is based on the dumpContainer method in the parent class, but
    * that method is reliant on the Config component which we do not use here.
    *
-   * @param string           $cache_file     The full filename to write to.
-   * @param ContainerBuilder $container The service container
-   * @param string           $class     The name of the class to generate
-   * @param string           $baseClass The name of the container's base class
-   * @param PhpStorageInterface $storage The php storage class
+   * @param string $cache_file
+   *   The full filename to write to.
+   * @param ContainerBuilder $container
+   *   The service container.
+   * @param string $class
+   *   The name of the class to generate.
+   * @param string $baseClass
+   *   The name of the container's base class
+   * @param PhpStorageInterface $storage
+   *   The PHP storage class.
    */
-  protected function dumpDrupalContainer($cache_file, ContainerBuilder $container, $class, $baseClass, PhpStorageInterface $storage)
-  {
-    // cache the container
+  protected function dumpDrupalContainer($cache_file, ContainerBuilder $container, $class, $baseClass, PhpStorageInterface $storage) {
+    // Cache the container.
     $dumper = new PhpDumper($container);
     $content = $dumper->dump(array('class' => $class, 'base_class' => $baseClass));