diff --git a/css-color-4/Overview.bs b/css-color-4/Overview.bs
index 9ab0a7e87a3..36faf14ea5f 100644
--- a/css-color-4/Overview.bs
+++ b/css-color-4/Overview.bs
@@ -3793,7 +3793,7 @@ Specifying Predefined Colors: the ''color()'' function
color() = color( <> [ / [ <> | none ] ]? )
<colorspace-params> = [ <> | <>]
<predefined-rgb-params> = <> [ <> | <> | none ]{3}
- <predefined-rgb> = ''srgb'' | ''srgb-linear'' | ''display-p3'' | ''display-p3-linear'' | ''a98-rgb'' | ''prophoto-rgb'' | ''rec2020''
+ <predefined-rgb> = ''srgb'' | ''srgb-linear'' | ''display-p3'' | ''display-p3-linear'' | ''a98-rgb'' | ''prophoto-rgb'' | ''rec2020''
<xyz-params> = <> [ <> | <> | none ]{3}
<xyz-space> = ''xyz'' | ''xyz-d50'' | ''xyz-d65''