diff --git a/static/usage.html b/static/usage.html
index 104d272b..a030c33a 100644
--- a/static/usage.html
+++ b/static/usage.html
@@ -155,7 +155,7 @@
 
             <p>Android updates can support serialno constraints to make them validate only on a
             certain device but GrapheneOS rejects any update with a serialno constraint for both
-            the Stable and Beta channels.</p>
+            the Stable and Beta channels along with sideloaded updates.</p>
 
             <h3 id="updates-disabling">
                 <a href="#updates-disabling">Disabling</a>