[css3-color] link to conversions section

Author: svgeesus

css-color/Overview.bs

@@ -1612,8 +1612,8 @@ but the first step are linear calculations and can be combined.</p>
 	<li>Convert D50-adapted XYZ to Lab
 </ol>
 
-<p class="issue">There is sample JavaScript code in <a href="conversions.js">conversions.js</a>
-to do these conversions. Is that sufficient to document the steps needed?</p>
+<p>There is sample JavaScript code for this conversion in <a href="#color-conversion-code">Sample 
+	code for color conversions</a> section.</p>
 
 <h3 id='lab-to-rgb'>
 Converting Lab colors to sRGB  colors</h3>