[css-color-hdr] normref

Author: svgeesus

css-color-hdr/Overview.bs

@@ -239,7 +239,7 @@ Predefined colorspaces for HDR: {#predefined-HDR}
 	with user control of the overall brightness level.
 	A value of 0.75 represents "diffuse" or "media" white
 	while an "18% reflectance grey" card
-	has a value of 0.38. [[Rec.2390]].
+	has a value of 0.38. [[!Rec.2390]].
 
 	It has the following characteristics:
 	(The display primaries are the same as [[!Rec.2020]]):