diff --git a/man3/dlsym.3 b/man3/dlsym.3
index ffe5a9174..35151967f 100644
--- a/man3/dlsym.3
+++ b/man3/dlsym.3
@@ -111,6 +111,19 @@ the cause of the error can be diagnosed using
 is present in glibc 2.0 and later.
 .BR dlvsym ()
 first appeared in glibc 2.1.
+.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 dlsym (),
+.BR dlvsym ()
+T}	Thread safety	MT-Safe
+.TE
 .SH CONFORMING TO
 POSIX.1-2001 describes
 .BR dlsym ().