diff --git a/man2/s390_pci_mmio_write.2 b/man2/s390_pci_mmio_write.2
index 57eb54601..4e34889db 100644
--- a/man2/s390_pci_mmio_write.2
+++ b/man2/s390_pci_mmio_write.2
@@ -28,16 +28,19 @@ s390_pci_mmio_write, s390_pci_mmio_read \- transfer data to/from PCI
 MMIO memory page
 .SH SYNOPSIS
 .nf
-.B #include <asm/unistd.h>
+.BR "#include <sys/syscall.h>" "      /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
 .PP
-.BI "int s390_pci_mmio_write(unsigned long " mmio_addr ,
+.BI "int syscall(SYS_s390_pci_mmio_write, unsigned long " mmio_addr ,
 .BI "                       const void *" user_buffer ", size_t " length );
-.BI "int s390_pci_mmio_read(unsigned long " mmio_addr ,
+.BI "int syscall(SYS_s390_pci_mmio_read, unsigned long " mmio_addr ,
 .BI "                       void *" user_buffer ", size_t " length );
 .fi
 .PP
 .IR Note :
-There are no glibc wrappers for these system calls; see NOTES.
+glibc provides no wrappers for these system calls,
+necessitating the use of
+.BR syscall (2).
 .SH DESCRIPTION
 The
 .BR s390_pci_mmio_write ()
@@ -102,8 +105,5 @@ These system calls are available since Linux 3.19.
 .SH CONFORMING TO
 This Linux-specific system call is available only on the s390 architecture.
 The required PCI support is available beginning with System z EC12.
-.SH NOTES
-Glibc does not provide wrappers for these system calls; call them using
-.BR syscall (2)
 .SH SEE ALSO
 .BR syscall (2)