diff --git a/man2/prctl.2 b/man2/prctl.2
index 25750ae81..48b4fb0c1 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -1142,66 +1142,41 @@ The seccomp mode is selected via
 .IR arg2 .
 (The seccomp constants are defined in
 .IR <linux/seccomp.h> .)
+The following values can be specified:
+.RS
+.TP
+.BR SECCOMP_MODE_STRICT " (since Linux 2.6.23)"
+See the description of
+.B SECCOMP_SET_MODE_STRICT
+in
+.BR seccomp (2).
 .IP
-With
-.IR arg2
-set to
-.BR SECCOMP_MODE_STRICT ,
-the only system calls that the thread is permitted to make are
-.BR read (2),
-.BR write (2),
-.BR _exit (2)
-(but not
-.BR exit_group (2)),
-and
-.BR sigreturn (2).
-Other system calls result in the delivery of a
-.BR SIGKILL
-signal.
-Strict secure computing mode is useful for number-crunching applications
-that may need to execute untrusted byte code,
-perhaps obtained by reading from a pipe or socket.
 This operation is available only
 if the kernel is configured with
 .B CONFIG_SECCOMP
 enabled.
-.IP
-With
-.IR arg2
-set to
-.BR SECCOMP_MODE_FILTER " (since Linux 3.5),"
-the system calls allowed are defined by a pointer
+.TP
+.BR SECCOMP_MODE_FILTER " (since Linux 3.5)"
+The allowed system calls are defined by a pointer
 to a Berkeley Packet Filter passed in
 .IR arg3 .
 This argument is a pointer to
 .IR "struct sock_fprog" ;
 it can be designed to filter
 arbitrary system calls and system call arguments.
-This mode is available only if the kernel is configured with
+See the description of
+.B SECCOMP_SET_MODE_FILTER
+in
+.BR seccomp (2).
+.IP
+This operation is available only
+if the kernel is configured with
 .B CONFIG_SECCOMP_FILTER
 enabled.
+.RE
 .IP
-If
-.BR SECCOMP_MODE_FILTER
-filters permit
-.BR fork (2),
-then the seccomp mode is inherited by children created by
-.BR fork (2);
-if
-.BR execve (2)
-is permitted, then the seccomp mode is preserved across
-.BR execve (2).
-If the filters permit
-.BR prctl ()
-calls, then additional filters can be added;
-they are run in order until the first non-allow result is seen.
-.IP
-For further information, see the kernel source file
-.IR Documentation/userspace\-api/seccomp_filter.rst
-.\" commit c061f33f35be0ccc80f4b8e0aea5dfd2ed7e01a3
-(or
-.IR Documentation/prctl/seccomp_filter.txt
-before Linux 4.13).
+For further details on seccomp filtering, see
+.BR seccomp (2).
 .\" prctl PR_GET_SECCOMP
 .TP
 .BR PR_GET_SECCOMP " (since Linux 2.6.23)"
@@ -1217,6 +1192,7 @@ If the caller is in filter mode, and this system call is allowed by the
 seccomp filters, it returns 2; otherwise, the process is killed with a
 .BR SIGKILL
 signal.
+.IP
 This operation is available only
 if the kernel is configured with
 .B CONFIG_SECCOMP