Updated tutorial text to reflect new changes in user interface;

app/templates/UseCase_MagneticModels.hbs

@@ -27,7 +27,7 @@
     <span class="close"><i class="fa fa-times-circle"/></span>
     <h3>Settings</h3>
     <p>We now activated the IGRF12 model Layer which is visualised on the virtual globe.</p>
-    <p>Additionally we opened the product settings window (on the right). Product settings can be accessed by clicking on the <i class="fa fa-gears"/>-symbol of a product.</p>
+    <p>Additionally we opened the product settings window (on the right). Product settings can be accessed by clicking on the <i class="fa fa-sliders"/>-symbol of a product.</p>
     <p>In the product settings you can select which parameter to visualise, what color scale to use and the range for the color scale.</p>
     <p>Geomagnetic Field Models have the following parameters for visualisation:</p>
     <ul>
@@ -56,7 +56,8 @@
 <section data-set-parameter="IGRF12_view:Fieldlines" data-bbox="-141,63,-79,76">
     <span class="close"><i class="fa fa-times-circle"/></span>
     <h3>Field Lines</h3>
-    <p>Field lines can be visualized for a selected area on the virtual globe. We already created a selection to display them. A selection can be done by opening the <i class="fa fa-wrench"/> Tools widget and clicking on the Bounding box selection button with the icon <i class="icon-large icon-vector-path-square" style="top:10px; position:relative;"></i>.</p>
+    <p>Field lines can be visualized for a selected area on the virtual globe. We already created a selection to display them. A selection can be done by activating the "Select Area" button located on the top right of the map view.</p>
+    <p>If a selection is already active, the button will clear the slection first containing the text "Clear Selection".</p>
     <p>Once activated move your mouse over the desired area and click once to start drawing the bounding box. Move to cursor to the desired position and click again to finalize the selection.</p>
 </section>