diff --git a/Doc/Tdoc/exercise.xml b/Doc/Tdoc/exercise.xml
index 754f3332cf16371582683e854de72d9c0ac8d4be..c092cd3acf4d8c26f386b65ec75f048f792e3c45 100644
--- a/Doc/Tdoc/exercise.xml
+++ b/Doc/Tdoc/exercise.xml
@@ -22,7 +22,7 @@
               <para>Use the <link
               xlink:href="https://www.tug.org/texworks">TeXworks</link> GUI to
               create this <link
-              xlink:href="Ref/Screen/latexHelloWorld.pdf">PDF
+              xlink:href="../Tdoc/Ref/Screen/latexHelloWorld.pdf">PDF
               result</link>.</para>
             </question>