diff --git a/Makefile b/Makefile
index 3237c77d0..9989e8f0d 100644
--- a/Makefile
+++ b/Makefile
@@ -3,3 +3,10 @@ test:
 
 bench:
 	go test -bench=. ./...
+
+update:
+	leetcode update
+	leetcode readme
+	leetcode helper
+	leetcode tag
+	leetcode description
diff --git a/helper/README.md b/helper/README.md
index 98fd2b94a..398e3d5a7 100644
--- a/helper/README.md
+++ b/helper/README.md
@@ -22,7 +22,7 @@ The commands are:
 	test        	run go test
 	description 	build all problems description file
 	update      	update self
-	clean       	clean cache file
+	clean       	remove cached files
 	version     	print leetcode version
 	help        	show command usage