diff --git a/man2/_exit.2 b/man2/_exit.2
index 8805fbad2..6d9067eb6 100644
--- a/man2/_exit.2
+++ b/man2/_exit.2
@@ -118,9 +118,15 @@ wrapper function invoked the kernel system call of the same name.
 Since glibc 2.3, the wrapper function invokes
 .BR exit_group (2),
 in order to terminate all of the threads in a process.
-(The raw
+.PP
+The raw
 .BR _exit ()
-system call terminates only the calling thread.)
+system call terminates only the calling thread, and actions such as
+reparenting child processes or sending
+.B SIGCHLD
+to the parent process are performed only if this is
+the last thread in the thread group.
+.\" _exit() is used by pthread_exit() to terminate the calling thread
 .SH SEE ALSO
 .BR execve (2),
 .BR exit_group (2),