diff --git a/index.html b/index.html
index da6ef4e..015fc29 100644
--- a/index.html
+++ b/index.html
@@ -49,6 +49,9 @@
   .entry h2 { font-family:var(--serif); font-weight:600; font-size:24px; line-height:1.15; margin:0 0 5px; letter-spacing:-.01em; }
   .entry p { margin:0; font-size:15px; color:var(--ink-soft); line-height:1.5; }
   .entry .updated { margin-top:9px; font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); }
+  .entry .cred { grid-column:1/-1; margin-top:4px; font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
+  .entry .cred b { color:var(--ink); font-weight:600; }
+  .entry .cred code { background:var(--indigo-tint); color:var(--indigo); padding:1px 6px; border-radius:5px; }
   .actions { display:flex; gap:9px; align-items:center; flex-wrap:wrap; }
   @media (max-width:660px){ .actions { justify-content:flex-start; } }
   .btn { font-family:var(--sans); font-size:13.5px; font-weight:600; text-decoration:none; border-radius:9px; padding:9px 14px; white-space:nowrap; display:inline-flex; align-items:center; gap:6px; transition:background .15s ease, color .15s ease, border-color .15s ease; }
@@ -121,6 +124,7 @@
           <a class="btn sum" href="./no-show-killer/summary.html" aria-label="No-Show Killer executive summary">Summary</a>
           <a class="btn pdf" href="./no-show-killer/No-Show-Killer-Business-Plan.pdf" aria-label="Download the No-Show Killer plan as PDF">PDF&nbsp;<span aria-hidden="true">↓</span></a>
         </div>
+        <div class="cred"><b>Demo sign-in:</b> <code>demo@noshow.clinic</code> <code>clinicdemo</code> <span>— sandbox clinic, sample data</span></div>
       </article>
 
       <article class="entry">