[css-color-4] minor updates and bikeshedificationizationalizm

Author: svgeesus

css-color-4/Overview.bs

@@ -1983,7 +1983,7 @@ Predefined colorspaces: ''srgb'', ''image-p3'', ''a98rgb'', ''prophotorgb'' and
 			with each having a valid range of [0, 1]. The transfer curve is
 			a gamma function, close to but not exactly 1/2.2.
 
-			''a98rgb' is compatible with Adobe® RGB (1998).
+			''a98rgb'' is compatible with Adobe® RGB (1998).
 
 			Adobe® RGB (1998) uses primaries originally derived
 			from the SMPTE 240M standard;
@@ -2115,13 +2115,13 @@ Specifying a color profile: the ''@color-profile'' at-rule</h3>
 
 	The <<custom-ident>> gives the <a>color profile's</a> name.
 	All of the predefined colorspace keywords
-	(''srgb'', ''image-p3'', ''rec2020'')
+	(''srgb'', ''image-p3'', ''a98rgb'', ''prophotorgb'', ''rec2020'')
 	are excluded from this <<custom-ident>>,
 	as they're predefined by this specification and always available.
 
 	The ''@color-profile'' rule accepts the descriptors defined in this specification.
 
-	<pre class=descdef>
+	<pre class=descdef for="@color-profile">
 	Name: src
 	Value: <<url>>
 	For: @color-profile