Use more precise terminology for 'object-fit'

Author: fantasai

css3-images/Overview.html

@@ -1807,8 +1807,8 @@ <h3 id=object-fit><span class=secno>5.4. </span> Sizing Objects: the
    class=property>object-fit</code></a>&rsquo; property specifies how the
    contents of a replaced element should be scaled relative to the box
    established by its used height and width. It also enables scaling a
-   replaced element's contents up to a specified maximum size or down to a
-   specified minimum size while preserving its aspect ratio.
+   replaced element up to a specified maximum size or down to a specified
+   minimum size while preserving its aspect ratio.
 
   <p>Not all replaced elements can be scaled, but images typically can.
 
@@ -1829,7 +1829,8 @@ <h3 id=object-fit><span class=secno>5.4. </span> Sizing Objects: the
      href="#default-object-size"><i>default object size</i></a> equal to the
      replaced element's used width and height.</p>
 
-    <p>This will make the contents exactly fill the replaced element's box.</p>
+    <p>This will make the contents exactly fill the replaced element's
+     content box.</p>
 
    <dt>contain
 
@@ -1890,7 +1891,8 @@ <h3 id=object-fit><span class=secno>5.4. </span> Sizing Objects: the
    <dd>
     <p>Size the content as if &lsquo;<code class=css>none</code>&rsquo; or
      &lsquo;<code class=css>contain</code>&rsquo; were specified, whichever
-     would result in a smaller size.</p>
+     would result in a smaller <a href="#concrete-object-size"><i>concrete
+     object size</i></a>.</p>
 
     <p class=note>Note that both &lsquo;<code class=css>none</code>&rsquo;
      and &lsquo;<code class=css>contain</code>&rsquo; respect the content's

css3-images/Overview.src.html

@@ -1174,8 +1174,8 @@ <h3 id="object-fit">
 
 	<p>The 'object-fit' property specifies how the contents of a replaced element
 	should be scaled relative to the box established by its used height and width.
-	It also enables scaling a replaced element's contents up to a specified maximum
-	size or down to a specified minimum size while preserving its aspect ratio.</p>
+	It also enables scaling a replaced element up to a specified maximum size
+	or down to a specified minimum size while preserving its aspect ratio.</p>
 
 	<p>Not all replaced elements can be scaled, but images typically can.</p>
 
@@ -1191,7 +1191,8 @@ <h3 id="object-fit">
 			a <i>specified size</i> and a <i>default object size</i> equal to the
 			replaced element's used width and height.</p>
 
-			<p>This will make the contents exactly fill the replaced element's box.</p>
+			<p>This will make the contents exactly fill the replaced element's
+			content box.</p>
 		</dd>
 
 		<dt>contain</dt>
@@ -1237,7 +1238,7 @@ <h3 id="object-fit">
 		<dt>scale-down</dt>
 		<dd>
 			<p>Size the content as if ''none'' or ''contain'' were specified, whichever
-			would result in a smaller size.</p>
+			would result in a smaller <i>concrete object size</i>.</p>
 
 			<p class=note>Note that both ''none'' and ''contain'' respect the content's
 			intrinsic aspect ratio, so the concept of "smaller" is well-defined.</p>