diff --git a/man2/sigaction.2 b/man2/sigaction.2
index 3225dc990..9d804a063 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -936,6 +936,9 @@ because they were introduced before Linux 5.11.
 However, in general, programs may assume that these flags are supported,
 since they have all been supported since Linux 2.6,
 which was released in the year 2003.
+.PP
+See EXAMPLES below for a demonstration of the use of
+.BR SA_UNSUPPORTED .
 .SH RETURN VALUE
 .BR sigaction ()
 returns 0 on success; on error, \-1 is returned, and
@@ -1141,7 +1144,7 @@ This bug was fixed in kernel 2.6.14.
 .SH EXAMPLES
 See
 .BR mprotect (2).
-.PP
+.SS Probing for flag support
 The following example program exits with status
 .B EXIT_SUCCESS
 if