diff --git a/css-content-3/Overview.bs b/css-content-3/Overview.bs
index bca2d675420a..1b7781ca84bf 100644
--- a/css-content-3/Overview.bs
+++ b/css-content-3/Overview.bs
@@ -177,7 +177,7 @@ Inserting and replacing content with the 'content' property</h2>
 			Equal to:
 
 			<pre class=prod>
-			[ <<string>> | contents | <<image>> | <<counter>> | <<quote>> | <<target>> | <<leader()>> ]+
+			[ <<string>> | <<image>> | contents | <<quote>> | <<leader()>> | <<target>> | <<string()>> | <<content()>> | <<counter>> ]+
 			</pre>
 
 			Replaces the element's contents with one or more anonymous inline boxes