diff --git a/lib/krb5/krb5_get_all_client_addrs.3 b/lib/krb5/krb5_get_all_client_addrs.3
index dccfa7c37..5bc59ce37 100644
--- a/lib/krb5/krb5_get_all_client_addrs.3
+++ b/lib/krb5/krb5_get_all_client_addrs.3
@@ -33,6 +33,7 @@
 .\"
 .Dd July  1, 2001
 .Dt KRB5_GET_ADDRS 3
+.Os HEIMDAL
 .Sh NAME
 .Nm krb5_get_all_client_addrs ,
 .Nm krb5_get_all_server_addrs