diff --git a/util/led/ack.out.5 b/util/led/ack.out.5
index 93a6d0964..d54d0dde1 100644
--- a/util/led/ack.out.5
+++ b/util/led/ack.out.5
@@ -1,4 +1,5 @@
 .TH "ACK.OUT" 5ACK "July 29, 1986"
+.ad
 .SH NAME
 ack.out\ \-\ ACK-assembler and link editor output
 .SH SYNOPSIS
diff --git a/util/led/led.6 b/util/led/led.6
index a5b1e3804..bca1d2fbe 100644
--- a/util/led/led.6
+++ b/util/led/led.6
@@ -1,4 +1,5 @@
 .TH LED 6ACK
+.ad
 .SH NAME
 led \- link editor
 .SH SYNOPSIS