diff --git a/author/iso/ref/document-attributes.adoc b/author/iso/ref/document-attributes.adoc
index 84dbc47d..bb3b4db7 100644
--- a/author/iso/ref/document-attributes.adoc
+++ b/author/iso/ref/document-attributes.adoc
@@ -727,6 +727,15 @@ editors. [added in https://github.com/metanorma/metanorma-iso/releases/tag/v2.2.
 
 `false`::: Retain background colors of semantically-annotated spans.
 
+`:presentation-metadata-linenumbers:`::
+Allows to render the line numbers for the document text.
++
+NOTE: Currently used only to specify the PDF layout.
+
+`true`::: Display the line numbers for the document text.
+
+`false`::: (default) Don't display the document line numbers.
+
 
 == Validation