[css-color-5][editorial] Fix serialization form of mixed colors

Author: cdoublev

css-color-5/Overview.bs

@@ -2902,6 +2902,22 @@ depends on the color space specified with "in":
 		<td>srgb-linear</td>
 		<td>color(srgb-linear r g b) </td>
 	</tr>
+	<tr>
+		<td>display-p3</td>
+		<td>color(display-p3 r g b) </td>
+	</tr>
+	<tr>
+		<td>a98-rgb</td>
+		<td>color(a98-rgb r g b) </td>
+	</tr>
+	<tr>
+		<td>prophoto-rgb</td>
+		<td>color(prophoto-rgb r g b) </td>
+	</tr>
+	<tr>
+		<td>rec2020</td>
+		<td>color(rec2020 r g b) </td>
+	</tr>
 	<tr>
 		<td>hsl</td>
 		<td>color(srgb r g b) </td>
@@ -3000,7 +3016,7 @@ which is a  <<color>>,
 as defined in [[css-color-4#serializing-color-values]].
 
 The form used
-depends on the color space of the [=origin color=]:
+depends on the color space of the [=relative color=]:
 
 <table class="data">
 	<tr>
@@ -3015,6 +3031,22 @@ depends on the color space of the [=origin color=]:
 		<td>srgb-linear</td>
 		<td>color(srgb-linear r g b) </td>
 	</tr>
+	<tr>
+		<td>display-p3</td>
+		<td>color(display-p3 r g b) </td>
+	</tr>
+	<tr>
+		<td>a98-rgb</td>
+		<td>color(a98-rgb r g b) </td>
+	</tr>
+	<tr>
+		<td>prophoto-rgb</td>
+		<td>color(prophoto-rgb r g b) </td>
+	</tr>
+	<tr>
+		<td>rec2020</td>
+		<td>color(rec2020 r g b) </td>
+	</tr>
 	<tr>
 		<td>hsl</td>
 		<td>color(srgb r g b) </td>