go-dork: -h command not found

[catechopy]

i have go installed, version : go1.12.2 gcc , ubuntu. and kali

when i run go-dork -h , i get command not found, even when i run from /go/pkg/mod/github.com/dwisiswant0/[email protected]
still same , command not found ? am able to build .go files successfully and run too .

and with command go run go-dork -h , get package go-dork : cannot find package "go-dork" in any off:
/usr/src/go-dork
/home/username/go/src/go-dork ( " /root/go/src/go-dork " for kali )

tested on ubuntu / kali. thanks in advance for help