diff --git a/index.html b/index.html
index 64f0b47..ec8842a 100644
--- a/index.html
+++ b/index.html
@@ -543,7 +543,7 @@
   <div class="wordmark">Camera Spec Card Generator</div>
   <div style="font-size:12px; font-weight:300; color:rgba(232,234,240,0.4); letter-spacing:0.08em; margin-bottom:18px;">by Justin Oros</div>
   <h1>Turn any photo into<br>a <span>camera spec card</span></h1>
-  <p class="subtitle">Drop a photo. We'll read its EXIF metadata and generate a shareable spec overlay — perfect for Instagram.</p>
+  <p class="subtitle">Drop a photo (and/or Siril FIT file). We'll read its EXIF metadata and generate a shareable spec overlay — perfect for Instagram.</p>
   <a class="ig-link" href="https://www.instagram.com/FateOfAstrophilia" target="_blank" rel="noopener">
     <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
       <rect x="2" y="2" width="20" height="20" rx="5"/>