diff --git a/css-cascade-5/Overview.bs b/css-cascade-5/Overview.bs
index 303972752f2..e4a259d06cf 100644
--- a/css-cascade-5/Overview.bs
+++ b/css-cascade-5/Overview.bs
@@ -431,7 +431,7 @@ Resetting All Properties: the 'all' property</h3>
 
 	<pre class="propdef shorthand">
 	Name: all
-	Value: initial | inherit | unset | revert | revert-layer
+	Value: initial | inherit | unset | revert | revert-layer | revert-rule
 	</pre>
 
 	The 'all' property is a <a>shorthand</a>