replace "flex item" with "flexbox item"

Author: alexmog1

css3-flexbox/Overview.src.html

@@ -234,7 +234,8 @@ <h2 id='flex-items'>
     &lt;span id="item10" style="float: left;">span&lt;/span>
 &lt;/div></pre>
 
-		<p>Notice that block element "not-an-item6.3" is not a separate flexbox item, because it is contained inside an inline element which is being wrapped into an anonymous flex item.  Similarly, the block element "not-an-item1.5" is not a flexbox item, because it's absolutely positioned and thus out of flow.</p>
+		<p>Notice that block element "not-an-item6.3" is not a separate flexbox item, because it is contained inside an inline element which is being wrapped into an anonymous 
+		flexbox item.  Similarly, the block element "not-an-item1.5" is not a flexbox item, because it's absolutely positioned and thus out of flow.</p>
 	</div>
 
 <h3 id='abspos-flexbox-items'>
@@ -1175,7 +1176,8 @@ <h2 id="pagination">
 
 				<li>Otherwise, it may be broken, according to breaking rules and algorithms applicable to its display type. </li>
 
-				<li>Forced breaks inside flex item content are handled normally, but in row-direction flexbox they don&#39;t affect layout of sibling flex items (e.g. a forced break inside an item doesn&#39;t prevent its next sibling from appearing on the same page)</li>
+				<li>Forced breaks inside flexbox item content are handled normally, but in row-direction flexbox they don&#39;t affect layout of sibling 
+				flexbox items (e.g. a forced break inside an item doesn&#39;t prevent its next sibling from appearing on the same page)</li>
 			</ol>
 		</li>