diff --git a/unsupported/hp-scanjet-3970c.html b/unsupported/hp-scanjet-3970c.html
index f9b8b682..e398c35d 100644
--- a/unsupported/hp-scanjet-3970c.html
+++ b/unsupported/hp-scanjet-3970c.html
@@ -30,6 +30,9 @@
       0x2305
     </p>
     <h2>Chipset</h2>
+    <p>
+      Uses a "realtek RTS8822L" controller.
+    </p>
     <h2>Comments</h2>
     <p>
       Maybe similar to <a href="hp-scanjet-3570c.html">HP ScanJet