[css-color-4] fix obvious copy and paste typo

Author: svgeesus

css-color-4/Overview.bs

@@ -3045,7 +3045,7 @@ Converting CMYK colors to Lab
 
 	For print,
 	Lab colors will need to be converted
-	to the color space of the display.
+	to the color space of the printer.
 
 	This is typically done by looking up the CMYK values in an ICC profile.