doc: Remove kde-qt from qt-copy docs

doc/index.docbook

@@ -2464,19 +2464,20 @@ linkend="conf-repository">repository</link> option and <link
 linkend="conf-branch">branch</link> options are set appropriately:</para>
 
 <orderedlist>
-<listitem><para>The first option is to build with a grouping of recommended bug
-fix and optimization patches applied (this used to be controlled using an
-option called apply-patches). This collection is developed in a separate
-repository at <ulink
-url="http://gitorious.org/+kde-developers/qt/kde-qt">http://gitorious.org/+kde-developers/qt/kde-qt</ulink>.
-If you would like to build with patches applied (most &kde; developers do) then
-you should set your repository option to
-<userinput>git://gitorious.org/+kde-developers/qt/kde-qt.git</userinput></para>
+<listitem><para>The first option is to build &Qt; using a mirror maintained
+on the &kde; source repositories (no other changes are applied, it is simply
+a clone of the official source). This is highly recommended due to occasional
+issues with cloning the full &Qt; module from its official repository.</para>
+
+<para>You can set the <option>repository</option> option for the qt-copy
+module to <userinput>kde:qt</userinput> to use this option.</para>
 </listitem>
 
-<listitem><para>Otherwise, to build the standard &Qt;, set your repository
-option to
-<userinput>git://gitorious.org/qt/qt.git</userinput></para></listitem>
+<listitem><para>Otherwise, to build the standard &Qt;, set your
+<option>repository</option> option to
+<userinput>git://gitorious.org/qt/qt.git</userinput>. Note that you may
+experience problems performing the initial clone of &Qt; from this
+repository.</para></listitem>
 </orderedlist>
 
 <para>In both cases, the branch option should be set to <userinput>master</userinput> (unless you'd