diff --git a/share/sgml/man-refs.ent b/share/sgml/man-refs.ent
index 7f16d4fb15..6f558641d3 100644
--- a/share/sgml/man-refs.ent
+++ b/share/sgml/man-refs.ent
@@ -1344,6 +1344,8 @@
 <!ENTITY man.ceil.3 "<citerefentry/<refentrytitle/ceil/<manvolnum/3//">
 <!ENTITY man.ceilf.3 "<citerefentry/<refentrytitle/ceilf/<manvolnum/3//">
 <!ENTITY man.ceill.3 "<citerefentry/<refentrytitle/ceill/<manvolnum/3//">
+<!ENTITY man.cexp.3 "<citerefentry/<refentrytitle/cexp/<manvolnum/3//">
+<!ENTITY man.cexpf.3 "<citerefentry/<refentrytitle/cexpf/<manvolnum/3//">
 <!ENTITY man.cfgetispeed.3 "<citerefentry/<refentrytitle/cfgetispeed/<manvolnum/3//">
 <!ENTITY man.cfgetospeed.3 "<citerefentry/<refentrytitle/cfgetospeed/<manvolnum/3//">
 <!ENTITY man.cfmakeraw.3 "<citerefentry/<refentrytitle/cfmakeraw/<manvolnum/3//">