core/composer.json               |  1 +
 sites/example.settings.local.php | 12 ++++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/core/composer.json b/core/composer.json
index 26938e3..eb1d1cc 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -105,6 +105,7 @@
     "drupal/seven": "self.version",
     "drupal/shortcut": "self.version",
     "drupal/simpletest": "self.version",
+    "drupal/smartcache": "self.version",
     "drupal/standard": "self.version",
     "drupal/stark": "self.version",
     "drupal/statistics": "self.version",
diff --git a/sites/example.settings.local.php b/sites/example.settings.local.php
index e8cd909..c9933e2 100644
--- a/sites/example.settings.local.php
+++ b/sites/example.settings.local.php
@@ -51,17 +51,25 @@
 /**
  * Disable the render cache (this includes the page cache).
  *
+ * Note: you should test with the render cache enabled, to ensure the correct
+ * cacheability metadata is present (and hence the expected behavior). However,
+ * in the early stages of development, you may want to disable it.
+ *
  * This setting disables the render cache by using the Null cache back-end
  * defined by the development.services.yml file above.
  *
  * Do not use this setting until after the site is installed.
  */
-$settings['cache']['bins']['render'] = 'cache.backend.null';
+# $settings['cache']['bins']['render'] = 'cache.backend.null';
 
 /**
  * Disable SmartCache.
+ *
+ * Note: you should test with SmartCache enabled, to ensure the correct
+ * cacheability metadata is present (and hence the expected behavior). However,
+ * in the early stages of development, you may want to disable it.
  */
-$settings['cache']['bins']['smart_cache_html'] = 'cache.backend.null';
+# $settings['cache']['bins']['smart_cache_html'] = 'cache.backend.null';
 
 /**
  * Allow test modules and themes to be installed.