DIV-668: adding introductory content for fact sheet b

edivorce/apps/core/templates/question/06_children_facts.html

@@ -13,6 +13,11 @@
     </div>
     <div id="fact_sheet_b" class="question-well fact-sheets" hidden>
     <h1>Fact Sheet B Shared Custody</h1>
+    <p>
+        Since you have previously indicated that the child/children will live with both parents more or less equally
+        (between 40 to 60% of the time with each parent) we need you to answer the questions below in order for the
+        court to assess if the payor is paying the right amount (percentage) for child support.
+    </p>
     <div class="question-well">
         <h3>Number of children</h3>
         <p>