diff --git a/share/sgml/man-refs.ent b/share/sgml/man-refs.ent
index 53300cd4b6..ebe29a7c72 100644
--- a/share/sgml/man-refs.ent
+++ b/share/sgml/man-refs.ent
@@ -3141,6 +3141,7 @@
 <!ENTITY man.atkbdc.4 "<citerefentry/<refentrytitle/atkbdc/<manvolnum/4//">
 <!ENTITY man.aue.4 "<citerefentry/<refentrytitle/aue/<manvolnum/4//">
 <!ENTITY man.awi.4 "<citerefentry/<refentrytitle/awi/<manvolnum/4//">
+<!ENTITY man.axe.4 "<citerefentry/<refentrytitle/axe/<manvolnum/4//">
 <!ENTITY man.bge.4 "<citerefentry/<refentrytitle/bge/<manvolnum/4//">
 <!ENTITY man.bktr.4 "<citerefentry/<refentrytitle/bktr/<manvolnum/4//">
 <!ENTITY man.blackhole.4 "<citerefentry/<refentrytitle/blackhole/<manvolnum/4//">