[css-color-4] clarify that sRGB is sRGB :)

Author: svgeesus

css-color-4/Overview.bs

@@ -1065,7 +1065,7 @@ and there shall be no thousands separator.
 <h2 id='numeric-srgb'>
 sRGB Colors</h2>
 
-	CSS colors in the <dfn id='sRGB' export>sRGB</dfn> color space
+	CSS colors in the <a>sRGB</a> color space
 	are represented by a triplet of values--
 	red, green, and blue--
 	identifying a point in the sRGB color space [[!SRGB]].
@@ -3272,6 +3272,11 @@ and ''xyz''.</h3>
 	The following color spaces are predefined for use in the ''color()'' function.
 	They are used without any ''@color-profile'' rule.
 
+	The <dfn id='sRGB' export>sRGB</dfn> predefined colorspace
+	defined below
+	is the same as is used for legacy sRGB colors,
+	such as ''rgb()''.
+
 	<dl dfn-type=value dfn-for="color()">
 		<dt><dfn>srgb</dfn>
 		<dd>