diff --git a/src/Plugin/migrate/process/Merge.php b/src/Plugin/migrate/process/Merge.php
index aebd7bca14ee4df43babadcf1dfc935b3e0093f9..9861bd65d4e961d4d195be2c22fdc73bd51ed510 100644
--- a/src/Plugin/migrate/process/Merge.php
+++ b/src/Plugin/migrate/process/Merge.php
@@ -33,7 +33,7 @@ use Drupal\migrate\Row;
  *    temp_images:
  *      plugin: iterator
  *      source: field_image
- *      process
+ *      process:
  *        target_id:
  *          plugin: migration_lookup
  *          migration: image_entities_to_paragraph