diff --git a/core/modules/config/src/Tests/ConfigCRUDTest.php b/core/modules/config/src/Tests/ConfigCRUDTest.php
index f37f215..fa8b372 100644
--- a/core/modules/config/src/Tests/ConfigCRUDTest.php
+++ b/core/modules/config/src/Tests/ConfigCRUDTest.php
@@ -119,13 +119,13 @@ function testCRUD() {
     // cache.
     $config_factory = $this->container->get('config.factory');
     $name = 'config_test.crud_rename';
-    // Remove overrides.
+    // Turn off overrides and pollute the non-overrides static cache.
     $config_factory->setOverrideState(FALSE);
-    // Pollute the non overrides static cache.
     \Drupal::config($name);
+    // Turn on overrides and pollute the overrides static cache.
     $config_factory->setOverrideState(TRUE);
-    // Pollute the overrides static cache.
     $config = \Drupal::config($name);
+    // Rename and ensure that happened properly.
     $new_name = 'config_test.crud_rename_no_cache';
     $config_factory->rename($name, $new_name);
     $renamed_config = \Drupal::config($new_name);
@@ -133,8 +133,8 @@ function testCRUD() {
     $this->assertIdentical($renamed_config->isNew(), FALSE);
     // Ensure the overrides static cache has been cleared.
     $this->assertIdentical(\Drupal::config($name)->isNew(), TRUE);
+    // Ensure the non-overrides static cache has been cleared.
     $config_factory->setOverrideState(FALSE);
-    // Ensure the non overrides static cache has been cleared.
     $this->assertIdentical(\Drupal::config($name)->isNew(), TRUE);
     $config_factory->setOverrideState(TRUE);