fix: diagnostic errors

Author: duncdrum

src/main/xar-resources/data/jmx/listings/listing-2.txt

@@ -3,7 +3,7 @@
 <article version="5.0" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
   <info>
     <title>XQSuite - Annotation-based Test Framework for XQuery</title>
-    <date>1Q23</date>
+    <date>4Q24</date>
     <keywordset>
       <keyword>application-development</keyword>
       <keyword>testing</keyword>
@@ -357,7 +357,7 @@
       <para>Here is an example using the above assertion library</para>
       <programlisting language="xquery" xlink:href="listings/assertion-lib.txt"/>
       <para>The output will look like this</para>
-      <programlisting language="xquery" xlink:href="listings/custom-assertion-output.xml"/>
+      <programlisting language="xquery" xlink:href="listings/custom-assertion-result.xml"/>
 
       <sect3 xml:id="custom-assertion-fallback">
         <title>Fallback for backwards compatibility</title>