diff --git a/doc/manual/projects.xml b/doc/manual/projects.xml
index 886a65d1..5c88a64a 100644
--- a/doc/manual/projects.xml
+++ b/doc/manual/projects.xml
@@ -213,7 +213,7 @@ let
       };
   };
 in
-  jobs <co xml:id='ex-hello-body' />
+  jobs <co xml:id='ex-hello-co-body' />
       </programlisting>
     </example>