update: quizzes for 2nd 4th secs

02-write-your-first-program/questions/01-gopath/README.md

@@ -1,19 +1,19 @@
-## Where you should put your Go source code into?
+## Where should you save your Go source code?
 * Anywhere on my computer
 * Under $GOPATH
 * Under $GOPATH/src *CORRECT*
 
-## What $GOPATH means?
+## What does $GOPATH mean?
 * It's a file for Go runtime
 * Stores Go source code files and compiled packages
 * It's a path for gophers to follow
 
-## Do you need to set your $GOPATH?
+## Do you need to set $GOPATH?
 * Yes
 * No: It's stored on my desktop
 * No: It's stored under my user path *CORRECT*
 
-## How can you print your $GOPATH?
+## How can you print $GOPATH?
 * Using `ls` command
 * Using `go env GOPATH` command *CORRECT*
 * Using `go environment` command