diff --git a/lib/schema/util/index.js b/lib/schema/util/index.js
index 85883380..3331ed63 100644
--- a/lib/schema/util/index.js
+++ b/lib/schema/util/index.js
@@ -7,6 +7,7 @@ const _isFlatForeignKey = element => Boolean(element['@odata.foreignKey4'] || el
 
 const _isLocalized = element => element.name === 'localized' && element.target?.endsWith('.texts')
 
+// TODO: add check for @cds.api.ignore
 const shouldElementBeIgnored = element =>
   element.name.startsWith('up_') || _isLocalized(element) || _isFlatForeignKey(element)