[css-tables] Editorial change

Author: FremyCompany

css-tables-3/Overview.bs

@@ -2881,7 +2881,7 @@ spec:css21; type:property; text:max-width
 		<p class="advisement">
 			User agents may decide to extend this behavior to every fragmentation context,
 				and not just to the main document's paging fragmentation context. 
-			Usually, user agents which do this, do so when rendering static documents,
+			User-agents that are rendering static documents are more likely to adopt this behavior,
 				though this is not required per spec.
 
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