[css-color-4] fix typo (w3c#12628)

Author: romainmenke

css-color-4/Overview.bs

@@ -3793,7 +3793,7 @@ Specifying Predefined Colors: the ''color()'' function</h3>
 		<dfn>color()</dfn> = color( <<colorspace-params>> [ / [ <<alpha-value>> | none ] ]? )
 		<dfn>&lt;colorspace-params></dfn> = [ <<predefined-rgb-params>> | <<xyz-params>>]
 		<dfn>&lt;predefined-rgb-params></dfn> = <<predefined-rgb>> [ <<number>> | <<percentage>> | none ]{3}
-		<dfn>&lt;predefined-rgb></dfn> = <l>''srgb''</l> | <l>''srgb-linear''</l> | <l>''display-p3''</l> | <li>''display-p3-linear''</li> | <l>''a98-rgb''</l> | <l>''prophoto-rgb''</l> | <l>''rec2020''</l>
+		<dfn>&lt;predefined-rgb></dfn> = <l>''srgb''</l> | <l>''srgb-linear''</l> | <l>''display-p3''</l> | <l>''display-p3-linear''</l> | <l>''a98-rgb''</l> | <l>''prophoto-rgb''</l> | <l>''rec2020''</l>
 		<dfn>&lt;xyz-params></dfn> = <<xyz-space>> [ <<number>> | <<percentage>> | none ]{3}
 		<dfn>&lt;xyz-space></dfn> = <l>''xyz''</l> | <l>''xyz-d50''</l> | <l>''xyz-d65''</l>
 	</pre>