Update modules/ROOT/partials/configuration/iframe_attrs.adoc

Co-authored-by: tiny-ben-tran <ben.tran@tiny.cloud>

Author: kemister85

modules/ROOT/partials/configuration/iframe_attrs.adoc

@@ -1,7 +1,7 @@
 [[iframe_attrs]]
 == `+iframe_attrs+`
 
-This option allows setting custom attributes on the editor's content iframe element when {productname} is running in iframe mode. The attributes are applied during iframe creation and can be used for accessibility compliance, form validation, custom styling, and other customization needs.
+This option allows adding custom attributes to the editor's content iframe element when running in classic mode. The attributes are applied during the iframe creation.
 
 NOTE: This option only affects the main editor content iframe, not other iframes such as preview frames or dialog iframes.