diff --git a/core/modules/aggregator/lib/Drupal/aggregator/Form/SettingsForm.php b/core/modules/aggregator/lib/Drupal/aggregator/Form/SettingsForm.php
index bdde1d9..9622eae 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/Form/SettingsForm.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/Form/SettingsForm.php
@@ -161,8 +161,8 @@ public function buildForm(array $form, array &$form_state) {
         if ($instance instanceof PluginFormInterface) {
           $form = $instance->buildConfigurationForm($form, $form_state);
           // Store the instance for validate and submit handlers.
-          // Keying by id would bring conflicts, because two instances of a
-          // different type could have the same id.
+          // Keying by ID would bring conflicts, because two instances of a
+          // different type could have the same ID.
           $this->configurableInstances[] = $instance;
         }
       }
@@ -177,8 +177,8 @@ public function buildForm(array $form, array &$form_state) {
         if ($instance instanceof PluginFormInterface) {
           $form = $instance->buildConfigurationForm($form, $form_state);
           // Store the instance for validate and submit handlers.
-          // Keying by id would bring conflicts, because two instances of a
-          // different type could have the same id.
+          // Keying by ID would bring conflicts, because two instances of a
+          // different type could have the same ID.
           $this->configurableInstances[] = $instance;
         }
       }