--- hosts_access.5.orig
+++ hosts_access.5
@@ -329,7 +329,7 @@ in.tftpd: LOCAL, .my.domain
 /etc/hosts.deny:
 .in +3
 .nf
-in.tftpd: ALL: (/some/where/safe_finger -l @%h | \\
+in.tftpd: ALL: spawn (/some/where/safe_finger -l @%h | \\
 	/usr/ucb/mail -s %d-%h root) &
 .fi
 .PP