diff -u b/core/lib/Drupal/Core/Config/Context/ConfigContext.php b/core/lib/Drupal/Core/Config/Context/ConfigContext.php
--- b/core/lib/Drupal/Core/Config/Context/ConfigContext.php
+++ b/core/lib/Drupal/Core/Config/Context/ConfigContext.php
@@ -63,7 +63,7 @@
    * Implements \Drupal\Core\Config\Context\ContextInterface::init().
    */
   public function init() {
-    // // Reset existing overrides and get a UUID for this context.
+    // Reset existing overrides and get a UUID for this context.
     $this->overrides = array();
     $this->setUuid();
     // Notify event listeners that a configuration context has been created.