[css-lists-1] the -> a

Author: fantasai

css-lists-3/Overview.bs

@@ -191,7 +191,7 @@ The ''::marker'' Pseudo-Element</h3>
 <h3 id='content-property'>
 Generating Marker Contents</h3>
 
-	The contents of the <a>marker box</a>
+	The contents of a <a>marker box</a>
 	are determined by the first of these conditions that is true:
 
 	<dl class=switch>