typo

Author: svgeesus

css-color-4/Overview.bs

@@ -2947,7 +2947,7 @@ Device-independent Colors: CIE Lab and LCH, Oklab and Oklch</h2>
 	and equal increments in L are evenly spaced visually:
 	the Lab color space is intended to be <em>perceptually uniform</em>.
 
-	<figure id="lightnes-vs-luminance">
+	<figure id="lightness-vs-luminance">
 		<img src="images/L-axis.svg" width=240 height=575> 
 		<img src="images/Luminance.svg" width=240 height=575>
 		<figcaption>