Correct Go install (#11)

Author: StevenACoffman

README.md

@@ -4,6 +4,6 @@ Whitespace is a linter that checks for unnecessary newlines at the start and end
 
 ## Installation guide
 
-To install as a standalone linter, run `go install github.com/ultraware/whitespace`.
+To install as a standalone linter, run `go install github.com/ultraware/whitespace/cmd/whitespace@latest`.
 
 Whitespace is also included in [golangci-lint](https://github.com/golangci/golangci-lint/). Install it and enable whitespace.