clearly describe what the network does and does not do

captive.html

@@ -9,6 +9,7 @@ layout: basic
     <div class="content-area-wrapper text-center">
       <img src="{{site.baseurl}}{{ page_data.page_logo[0] }}" alt="{{ page_data.page_logo[1] }}" />
       <h1 class="content-title mb-2">{{ page_data.captive_data.welcome_message }}</h1>
+      <p class="content-text text-black ls-40 mb-2">{{ page_data.captive_data.welcome_details }}</p>
       <!-- Use NoDogSplash-provided variables to render a "continue" button -->
       <form method="get" action="$authaction">
         <input type="hidden" name="tok" value="$tok">