diff --git a/lib/libutil/realhostname_sa.3 b/lib/libutil/realhostname_sa.3
index 6fef960a24d8..c1bc40af32f3 100644
--- a/lib/libutil/realhostname_sa.3
+++ b/lib/libutil/realhostname_sa.3
@@ -62,8 +62,7 @@
 .Fd #include <netinet/in.h>
 .Fd #include <libutil.h>
 .Ft int
-.Fn realhostname_sa "char *host" "size_t hsize" "struct sockaddr *addr" \
-"int addrlen"
+.Fn realhostname_sa "char *host" "size_t hsize" "struct sockaddr *addr" "int addrlen"
 .Pp
 Link with
 .Va -lutil