diff --git a/docs/schemas/capability.rng b/docs/schemas/capability.rng
index 99b4a9a7c9..0a63a1c6a1 100644
--- a/docs/schemas/capability.rng
+++ b/docs/schemas/capability.rng
@@ -302,6 +302,11 @@
           <empty/>
         </element>
       </optional>
+      <optional>
+        <element name='deviceboot'>
+          <empty/>
+        </element>
+      </optional>
     </element>
   </define>