diff --git a/docs/reference/gobject/glib-mkenums.xml b/docs/reference/gobject/glib-mkenums.xml
index d22c37a59..6ede634d0 100644
--- a/docs/reference/gobject/glib-mkenums.xml
+++ b/docs/reference/gobject/glib-mkenums.xml
@@ -91,6 +91,13 @@ prefix stripped (e.g. THE_XENUM).
 </para></listitem>
 </varlistentry>
 
+<varlistentry>
+<term>@ENUMPREFIX@</term>
+<listitem><para>
+The prefix of the enum name (e.g. PREFIX).
+</para></listitem>
+</varlistentry>
+
 <varlistentry>
 <term>@VALUENAME@</term>
 <listitem><para>