diff --git a/man3/atexit.3 b/man3/atexit.3
index 13ffacf3e..be1ec2131 100644
--- a/man3/atexit.3
+++ b/man3/atexit.3
@@ -73,6 +73,19 @@ The
 .BR atexit ()
 function returns the value 0 if successful; otherwise
 it returns a nonzero value.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lb lb lb
+l l l.
+Interface	Attribute	Value
+T{
+.BR atexit ()
+T}	Thread safety	MT-Safe
+.TE
+
 .SH CONFORMING TO
 SVr4, 4.3BSD, C89, C99, POSIX.1-2001.
 .SH NOTES