[css-flexbox] Also apply the clamping to the first clause.

Author: tabatkins

css-flexbox/Overview.html

@@ -2243,12 +2243,13 @@ <h3 class="heading settled heading" data-level=9.6 id=cross-alignment><span clas
 <p>			<ul>
 				<li>
 					If the cross size property is a <a data-link-type=dfn href=#definitedefinite-size title=definite>definite</a> size,
-					use that.
+					use that,
+					clamped by the min and max cross size properties of the <a data-link-type=dfn href=#flex-container title="flex container">flex container</a>.
 
 				<li>
 					Otherwise,
 					use the sum of the flex lines' cross sizes,
-					clamped by the min and max cross size properties.
+					clamped by the min and max cross size properties of the <a data-link-type=dfn href=#flex-container title="flex container">flex container</a>.
 			</ul>
 
 		<li id=algo-line-align><a class=self-link href=#algo-line-align></a>

css-flexbox/Overview.src.html

@@ -2276,12 +2276,13 @@ <h3 id='cross-alignment'>
 			<ul>
 				<li>
 					If the cross size property is a <i>definite</i> size,
-					use that.
+					use that,
+					clamped by the min and max cross size properties of the <a>flex container</a>.
 
 				<li>
 					Otherwise,
 					use the sum of the flex lines' cross sizes,
-					clamped by the min and max cross size properties.
+					clamped by the min and max cross size properties of the <a>flex container</a>.
 			</ul>
 
 		<li id='algo-line-align'>