diff --git a/css-backgrounds-4/Overview.bs b/css-backgrounds-4/Overview.bs
index 55f4bb87c55..f8eaae9982f 100644
--- a/css-backgrounds-4/Overview.bs
+++ b/css-backgrounds-4/Overview.bs
@@ -326,7 +326,7 @@ Painting Area: the 'background-clip' property</h3>
 	The syntax of the property is given with
 
 	<pre class=prod>
-	<dfn>&lt;bg-clip></dfn> = <<visual-box>> | border-area| text
+	<dfn>&lt;bg-clip></dfn> = <<visual-box>> | [ border-area || text ]
 	</pre>
 
 	Issue: Or should this be defining the <css>-webkit-background-clip</css> property,