diff -r 320af913b4de -r daa47f8cf745 Makefile
--- a/Makefile	Sat Nov 09 20:15:27 2019 +0800
+++ b/Makefile	Sat Nov 09 20:29:44 2019 +0800
@@ -101,7 +101,7 @@
 	$(info .                         # generated by configure)
 	$(info .  make dist-clean        # Remove all files, including configuration)
 	$(info .  make help              # Give some help on using make)
-	$(info .  make test              # Run tests, default is all tests (see TEST below))
+	$(info .  make test              # Run tests, default is "jdk_core langtools_jtreg" (see TEST below))
 	$(info )
 	$(info Targets for specific components)
 	$(info (Component is any of langtools, corba, jaxp, jaxws, hotspot, jdk, nashorn, images, overlay-images, docs or test))
@@ -125,6 +125,8 @@
 	$(info )
 	$(info .  make test TEST=<test>  # Only run the given test or tests, e.g.)
 	$(info .                         # make test TEST="jdk_lang jdk_net")
+	$(info .                         # or)
+	$(info .                         # make test TEST="tier1")
 	$(info )
 
 .PHONY: help