diff --git a/core/lib/Drupal/Core/Config/ConfigCollectionException.php b/core/lib/Drupal/Core/Config/ConfigCollectionException.php
index 546c066..430d067 100644
--- a/core/lib/Drupal/Core/Config/ConfigCollectionException.php
+++ b/core/lib/Drupal/Core/Config/ConfigCollectionException.php
@@ -8,6 +8,6 @@
 namespace Drupal\Core\Config;
 
 /**
- * Exception thrown when a config collection name is invalid.
+ * Defines an exception thrown when a config collection name is invalid.
  */
 class ConfigCollectionException extends ConfigException {}