added help block to update page to describe social media accounts and privacy-- the @dhaynes change

roomlist/accounts/templates/update_student.html

@@ -280,6 +280,9 @@
                 {{ my_form.room }}
               </div>
             </div>
+            <p class="help-block">
+              Your privacy settings affect the visibility of both your room and your social media accounts.
+            </p>
             {% if form.privacy.errors %}
               {% for error in form.privacy.errors %}
                 <p class="text-danger"><i class="fa fa-exclamation-triangle fa-fw"></i> {{ error }}</p>