diff --git a/share/doc/handbook/slips.sgml b/share/doc/handbook/slips.sgml
index 60b827c361bd..976c2e60e8a2 100644
--- a/share/doc/handbook/slips.sgml
+++ b/share/doc/handbook/slips.sgml
@@ -1,4 +1,5 @@
-<!-- This is an SGML version in the linuxdoc DTD of the SLIP Server
+<!-- $FreeBSD$
+     This is an SGML version in the linuxdoc DTD of the SLIP Server
      FAQ by Guy Helmer.
 
      This guide provides instruction in configuring and preparing