Doc: update screenshot

Task-number: QTCREATORBUG-5970
Change-Id: Iaccefa8583e94a42c59ea658d474401a378dcce7
Reviewed-on: http://codereview.qt-project.org/5019

Reviewed-by: Leena Miettinen <riitta-leena.miettinen@nokia.com>

doc/qtcreator.qdoc

@@ -6462,7 +6462,8 @@
     \list 1
 
         \o On the \gui Welcome page, select the \gui {Show Examples and Demos}
-        check box, and then select \gui {Clocks} in the list of examples.
+        check box, and then search for \gui {Toys: Clocks Example} in the list
+        of examples.
 
         \image qtcreator-gs-build-example-open.png "Selecting an example"