diff --git a/man3/ceil.3 b/man3/ceil.3
index 97956a59a..17352a65c 100644
--- a/man3/ceil.3
+++ b/man3/ceil.3
@@ -79,13 +79,19 @@ itself is returned.
 No errors occur.
 POSIX.1-2001 documents a range error for overflows, but see NOTES.
 .SH ATTRIBUTES
-.SS Multithreading (see pthreads(7))
-The
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lbw24 lb lb
+l l l.
+Interface	Attribute	Value
+T{
 .BR ceil (),
 .BR ceilf (),
-and
 .BR ceill ()
-functions are thread-safe.
+T}	Thread safety	MT-Safe
+.TE
 .SH CONFORMING TO
 C99, POSIX.1-2001.
 The variant returning