diff --git a/man2/exit_group.2 b/man2/exit_group.2
index 4fd314262..b512927d4 100644
--- a/man2/exit_group.2
+++ b/man2/exit_group.2
@@ -27,9 +27,10 @@
 exit_group \- exit all threads in a process
 .SH SYNOPSIS
 .nf
-.B #include <linux/unistd.h>
+.BR "#include <sys/syscall.h>" "       /* Definition of " SYS_* " constants */"
+.B #inlcude <unistd.h>
 .PP
-.BI "noreturn void exit_group(int " status );
+.BI "noreturn void syscall(SYS_exit_group, int " status );
 .fi
 .SH DESCRIPTION
 This system call is equivalent to