src/java.base/share/classes/sun/launcher/resources/launcher.properties

@@ -88,10 +88,14 @@
 \                  load native agent library by full pathname\n\
 \    -javaagent:<jarpath>[=<options>]\n\
 \                  load Java programming language agent, see java.lang.instrument\n\
 \    -splash:<imagepath>\n\
 \                  show splash screen with specified image\n\
+\                  HiDPI scaled image is also supported\n\
+\                  For a non scaled image file image.ext below are the supported scaled image names\n\
+\                  If screen scale is integer number e.g. 2: image@2x.ext \n\
+\                  If screen scale is float value e.g. 1.25: image@125pct.ext\n\
 \    @<filepath>   read options from the specified file\n\
 
 See http://www.oracle.com/technetwork/java/javase/documentation/index.html for more details.
 
 # Translators please note do not translate the options themselves