diff --git a/css-color-4/Overview.bs b/css-color-4/Overview.bs
index e83ae5f5171..d51f67d5b44 100644
--- a/css-color-4/Overview.bs
+++ b/css-color-4/Overview.bs
@@ -214,7 +214,10 @@ Resolving <<color>> Values</h3>
 
 	: [=system colors=]
 	::
-		Issue(3847): Make system color keywords compute to themselves.
+		Each <<system-color>> keyword computes to itself.
+		Its used value is the corresponding color in its color space.
+
+		Issue(3873): Define something for <<deprecated-system-color>>?
 
 	: ''currentcolor''
 	::