diff --git a/author/ogc/authoring-guide/terms-definitions.adoc b/author/ogc/authoring-guide/terms-definitions.adoc
index 97c0bcc7..d2c1b20d 100644
--- a/author/ogc/authoring-guide/terms-definitions.adoc
+++ b/author/ogc/authoring-guide/terms-definitions.adoc
@@ -81,7 +81,8 @@ alt:[white rice] <1>
 
 {{husked rice}} from which almost all of the bran and embryo have been removed by milling. <2>
 ----
-<1> `alt:[white rice]` indicates the alternative term for milled rice.
+<1> `alt:[white rice]` indicates the alternative term for milled rice. Metanorma uses both the notations `alt:[]` and `admitted:[]`,
+and normally refers to this as an admitted term (the terminology of ISO); they mean the same thing.
 <2> `{{husked rice}}` cites a previously introduced term.