update

author/iec/ref/document-attributes.adoc

@@ -49,7 +49,8 @@ See link:/author/ref/document-attributes[general Metanorma document attributes]
 == Document type
 
 `:doctype:`:: type of document.
-
++
+--
 The permitted types are:
 
 * `international-standard`
@@ -61,24 +62,28 @@ The permitted types are:
 
 Unlike ISO, IEC does not have `international-workshop-agreement`,
 and does have `interpretation-sheet`.
+--
 
-`:doccategory:`:: category of document [added in https://github.com/metanorma/metanorma-iec/releases/tag/v1.2.9].
+`:function:`:: function of document [added in https://github.com/metanorma/metanorma-iec/releases/tag/v1.2.9].
 Most documents do not have a category.
-
++
+--
 The permitted types are:
 
 * `emc`
 * `safety`
 * `environment`
 * `quality-assurance`
-* `horizontal`
+--
 
 `:horizontal:`:: whether the document is a horizontal standard [added in https://github.com/metanorma/metanorma-iec/releases/tag/v1.2.9].
-
++
+--
 The permitted types are:
 
 * `true`
 * `false` (default)
+--
 
 == Project stage and substage of document
 

author/iso/ref/document-attributes.adoc

@@ -61,6 +61,11 @@ https://www.iso.org/deliverables-all.html[ISO deliverables: The different types
 The document type that this amendment or technical corrigendum is
 updating [added in https://github.com/metanorma/isodoc/releases/tag/v1.3.25].
 
+`:horizontal:`:: whether the document is a horizontal standard [added in https://github.com/metanorma/metanorma-iso/releases/tag/v1.5.13].  The permitted types are:
++
+** `true`
+** `false` (default)
+
 `:docsubtype:`:: A subclass of doctype for which special processing rules apply.
 
 `vocabulary`:::