[css-box-4][editorial] Avoid contradiction wrt block container margin-trim

Author: fantasai

css-box-4/Overview.bs

@@ -400,8 +400,6 @@ Margins at Container Edges: the 'margin-trim' property {#margin-trim}
 			See <a href="https://www.w3.org/TR/CSS2/box.html#collapsing-margins">CSS2&sect;8.3.1: Collapsing Margins</a>.
 
 		<dt><dfn>block-start</dfn>
-		<dt><dfn>inline-start</dfn>
-		<dt><dfn>inline-end</dfn>
 		<dt><dfn>block-end</dfn>
 		<dd>
 			For in-flow boxes contained by this box,
@@ -410,6 +408,13 @@ Margins at Container Edges: the 'margin-trim' property {#margin-trim}
 			It also truncates any descendant margins collapsed with such a margin
 			(but not its own, its siblings’, or its ancestors’).
 
+		<dt><dfn>inline-start</dfn>
+		<dt><dfn>inline-end</dfn>
+			For in-flow boxes contained by this box,
+			margins adjacent to the box’s specified edges
+			are truncated to zero.
+			(However, these values do not apply to [=block containers=])
+
 		<dt><dfn>block</dfn>
 		<dd>
 			Computes to ''block-start block-end''.