diff --git a/usr.bin/lex/lex.1 b/usr.bin/lex/lex.1
index e135a49d7ec..1c8f8d527ad 100644
--- a/usr.bin/lex/lex.1
+++ b/usr.bin/lex/lex.1
@@ -1,3 +1,5 @@
+.\" $FreeBSD$
+.\"
 .TH FLEX 1 "April 1995" "Version 2.5"
 .SH NAME
 flex \- fast lexical analyzer generator
diff --git a/usr.bin/lex/version.h b/usr.bin/lex/version.h
index 623ca12a6d0..5dbdf94b676 100644
--- a/usr.bin/lex/version.h
+++ b/usr.bin/lex/version.h
@@ -1 +1,3 @@
+/* $FreeBSD$ */
+
 #define FLEX_VERSION "2.5.4"