[css-grid-3][editorial] Minor wording tweaks

Author: fantasai

css-grid-3/Overview.bs

@@ -107,12 +107,6 @@ Value Definitions</h3>
 <h2 id='masonry-layout'>
 Masonry Layout</h2>
 
-
-	Masonry layout is supported for [=grid containers=]
-	by specifying the value ''grid-template-columns/masonry'' for one of its axes.
-	This axis is called the <dfn local-lt="masonry-axis">masonry axis</dfn>,
-	and the other axis is called the <dfn local-lt="grid-axis">grid axis</dfn>.
-
 	<pre class='propdef partial'>
 		Name: grid-template-columns, grid-template-rows
 		New values: masonry
@@ -124,12 +118,18 @@ Masonry Layout</h2>
 		Animation type: see [[css-grid-2#propdef-grid-template-columns|CSS Grid Level 2]]
 	</pre>
 
-	This allows us to use the full power of <a href="https://www.w3.org/TR/css-grid-2/">CSS Grid</a> in the [=grid axis=].
-	Line names and track sizes can be specified
-	and <a>grid items</a> can be placed into the tracks and span them
+	[=Masonry layout=] can be applied to [=grid containers=]
+	by specifying the value ''grid-template-columns/masonry'' for one of its axes.
+	This axis is called the <dfn local-lt="masonry-axis">masonry axis</dfn>,
+	and the other axis is called the <dfn local-lt="grid-axis">grid axis</dfn>.
+
+	The full power of [=grid layout=] is available in the [=grid axis=].
+	Line names and track sizes can be specified on the [=grid container=],
+	and [=grid items=] can be placed into the tracks and span them
 	using 'grid-column' / 'grid-row' as usual.
-	The <a href="https://drafts.csswg.org/css-align">CSS Box Alignment</a> properties
-	work the same as in a regular [=grid container=] in this axis.
+	The [=alignment properties=] work the same as in a regular [=grid container=]
+	in the [=grid axis=].
+
 	In the [=masonry axis=] however,
 	items are laid out one after another using the [[#masonry-layout-algorithm]].