diff --git a/share/xml/authors.ent b/share/xml/authors.ent
index 40e504b28a..d00f2be449 100644
--- a/share/xml/authors.ent
+++ b/share/xml/authors.ent
@@ -1306,7 +1306,7 @@
 <!ENTITY a.maho.email "&a.maho; <email xmlns='http://docbook.org/ns/docbook'>maho@FreeBSD.org</email>">
 
 <!ENTITY a.mahrens "Matthew Ahrens">
-<!ENTITY a.mahrens.email "&a.maho; <email xmlns='http://docbook.org/ns/docbook'>mahrens@FreeBSD.org</email>">
+<!ENTITY a.mahrens.email "&a.mahrens; <email xmlns='http://docbook.org/ns/docbook'>mahrens@FreeBSD.org</email>">
 
 <!ENTITY a.makc "Max Brazhnikov">
 <!ENTITY a.makc.email "&a.makc; <email xmlns='http://docbook.org/ns/docbook'>makc@FreeBSD.org</email>">