diff --git a/awk.1 b/awk.1
index 49ab58f..050d253 100644
--- a/awk.1
+++ b/awk.1
@@ -7,6 +7,10 @@
 .fi
 .ft 1
 ..
+.de TF
+.IP "" "\w'\fB\\$1\ \ \fP'u"
+.PD 0
+..
 .TH AWK 1
 .CT 1 files prog_other
 .SH NAME