Add order of precedence for color space chunks

index.html

@@ -7733,6 +7733,12 @@ <h3 id="changes-20031110">Changes since the <a href="https://www.w3.org/TR/2003/
           (<a>HDR</a>) and Wide Color Gamut (WCG) images.</p>
       </li>
 
+      <li>
+        <p>For chunks which define the image color space,
+          the order of precedence is clearly defined,
+          if more than one is present.</p>
+      </li>
+
       <li>
         <p>The previously defined <a class="chunk" href="#eXIf">eXIf</a> chunk has been moved from the PNG-Extensions document
         [[PNG-EXTENSIONS]] into the main body of this specification, to reflect its increasing use.</p>