Fix grammatical error

Author: fantasai

css3-writing-modes/Overview.src.html

@@ -2966,7 +2966,7 @@ <h2 id="intrinsic-sizing" class="no-num">Appendix D:
     for elements with ''height: auto''.
 
   <p>For replaced elements, the <i>min-content</i> and <i>max-content</i>
-    sizes are equivalent and correspond used size of the replaced element
+    sizes are equivalent and correspond to the used size of the replaced element
     according to the ''auto'' width and height calculations.
 
 <h3 id="multicol-intrinsic" class="no-num">