Update README.md

(cherry picked from commit 3a21026)

Author: suhaibmujahid

README.md

@@ -15,8 +15,11 @@ Due to the fact that Go 1.11 module versions have semantic meaning and don't nec
 | 0.28    | v28           |
 | 0.27    | v27           |
 
-You can import them in your project via `go get` or a regular `import` with the version number as a suffix. For example, if you have libgit2 v0.28 installed, you'd import with
+You can import them in your project with the version's major number as a suffix. For example, if you have libgit2 v0.28 installed, you'd import git2go v28 with
 
+```sh
+go get github.com/libgit2/git2go/v28
+```
 ```go
 import "github.com/libgit2/git2go/v28"
 ```