diff --git a/Sd1/swd1.xml b/Sd1/swd1.xml
index 4b07f9cddff7c50dc2ab25105747046a317fec33..3af55d99eed1f3652417209dffc656c17916a9d8 100644
--- a/Sd1/swd1.xml
+++ b/Sd1/swd1.xml
@@ -7161,6 +7161,11 @@ public class InputValidator {
           <para>Chapter 8 of <xref linkend="bib_Horton2011"/> excluding the
           last chapter <quote>The Standard Streams</quote>.</para>
         </listitem>
+
+        <listitem>
+          <para><link xlink:href="Ref/Svg/exception.svg">Exception
+          basics</link>.</para>
+        </listitem>
       </itemizedlist>
     </section>