[css-break-3] s/new formatting context/independent formatting context/ w3c#1474

Author: fantasai

css-break-3/Overview.bs

@@ -574,7 +574,7 @@ Possible Break Points</h3>
   <p>
     Since line boxes contain no possible break points,
     ''inline-block'' and ''inline-table'' boxes
-    (and other inline-level <a>display types</a> that establish a new <a>formatting context</a>)
+    (and other inline-level <a>display types</a> that establish an <a>independent formatting context</a>)
     may also be considered <a>monolithic</a>.
 
 <h3 id="break-types">