Clarifying text for the Download preference settings

src/tomahawk/dialogs/Settings_Downloads.ui

@@ -20,6 +20,29 @@
    <string notr="true" extracomment="not translatable because not shown to the user">Form</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>Some Plug-Ins enable you to purchase and/or download music directly in Tomahawk.  Set your preferences for the download format and location:</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer_2">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
    <item>
     <widget class="QLabel" name="label_6">
      <property name="text">