Fix typo in color() syntax example

It said:

    color(display-p3 0.43313, 0.50108, 0.37950);

That should have been:

    color(display-p3 0.43313 0.50108 0.37950);

Author: mathiasbynens

css-color-4/Overview.bs

@@ -129,7 +129,7 @@ Value Definitions</h3>
 
 		<pre>
 <span class="swatch" style="--color: rgb(41.587%, 50.3670%, 36.664%)"></span> color(sRGB 0.41587, 0.503670, 0.36664);
-<span class="swatch" style="--color: rgb(41.587%, 50.3670%, 36.664%)"></span> color(display-p3 0.43313, 0.50108, 0.37950);
+<span class="swatch" style="--color: rgb(41.587%, 50.3670%, 36.664%)"></span> color(display-p3 0.43313 0.50108 0.37950);
 <span class="swatch" style="--color: rgb(41.587%, 50.3670%, 36.664%)"></span> color(a98-rgb 0.44091 0.49971 0.37408);
 <span class="swatch" style="--color: rgb(41.587%, 50.3670%, 36.664%)"></span> color(prophoto-rgb 0.36589 0.41717 0.31333);
 <span class="swatch" style="--color: rgb(41.587%, 50.3670%, 36.664%)"></span> color(rec2020 0.42210 0.47580 0.35605);