-.SH "ERRORS
-\fIKillpg\fP will fail and no signal will be sent if any of the
-following occur:
-.TP 15
-[EINVAL]
-\fISig\fP is not a valid signal number.
-.TP 15
-[ESRCH]
-No process can be found corresponding to that specified by \fIpid\fP.
-.TP 15
-[EPERM]
+.Sh ERRORS
+.Fn Killpg
+will fail and no signal will be sent if:
+.Bl -tag -width Er
+.It Bq Er EINVAL
+.Fa Sig
+is not a valid signal number.
+.It Bq Er ESRCH
+No process can be found in the process group specified by
+.Fa pgrp .
+.It Bq Er ESRCH
+The process group was given as 0
+but the sending process does not have a process group.
+.It Bq Er EPERM