diff --git a/core/lib/Drupal/Core/Config/ConfigInstaller.php b/core/lib/Drupal/Core/Config/ConfigInstaller.php
index 6c6479a..831b974 100644
--- a/core/lib/Drupal/Core/Config/ConfigInstaller.php
+++ b/core/lib/Drupal/Core/Config/ConfigInstaller.php
@@ -90,8 +90,8 @@ public function installDefaultConfig($type, $name) {
     $source_storage = new ExtensionInstallStorage();
     $config_to_install = $source_storage->listAll($name . '.');
 
-      // Work out if this extension provides default configuration for any other
-      // enabled extensions.
+    // Work out if this extension provides default configuration for any other
+    // enabled extensions.
     $config_dir = drupal_get_path($type, $name) . '/config';
     if (is_dir($config_dir)) {
       $default_storage = new FileStorage($config_dir);
diff --git a/core/lib/Drupal/Core/Config/ConfigInstallerInterface.php b/core/lib/Drupal/Core/Config/ConfigInstallerInterface.php
index 08d4f92..927c610 100644
--- a/core/lib/Drupal/Core/Config/ConfigInstallerInterface.php
+++ b/core/lib/Drupal/Core/Config/ConfigInstallerInterface.php
@@ -8,7 +8,7 @@
 namespace Drupal\Core\Config;
 
 /**
- * Interface for classes that installs config.
+ * Interface for classes that install config.
  */
 interface ConfigInstallerInterface {
 
@@ -20,8 +20,8 @@
    * name prefix. For example, the Node module provides the frontpage view as a
    * default configuration file:
    * core/modules/node/config/views.view.frontpage.yml
-   * When the Views module is installed after the Node module is already enabled,
-   * the frontpage view will be installed.
+   * When the Views module is installed after the Node module is already
+   * enabled, the frontpage view will be installed.
    *
    * Additionally, the default configuration directory for the extension being
    * installed is searched to discover if it contains default configuration