Fix reference to non-existent JavaScript documentation.

Change-Id: I9c88f2cd609a02ab225012ea03d04494f6712f8c
Reviewed-by: Venugopal Shivashankar <venugopal.shivashankar@digia.com>

doc/src/qmlapp/usecases/integratingjs.qdoc

@@ -66,5 +66,5 @@ Then import the file into any .qml file that needs to use the functions, like th
 \image qmlapp/qml-uses-integratingjs.png
 
 For further details on the JavaScript engine used by QML, as well as the difference from browser JS, see the full
-documentation on \c {Using JavaScript Expressions with QML}.
+documentation on \l {JavaScript Expressions in QML Documents}.
 */