update readme (#695)

Signed-off-by: kuba-- <kuba@sourced.tech>

_scripts/go-vitess/README.md

@@ -1,6 +1,6 @@
 # go-vitess [![GoDoc](https://godoc.org/gopkg.in/src-d/go-vitess.v1?status.svg)](https://godoc.org/gopkg.in/src-d/go-vitess.v1)
 
-`go-vitess` is an automatic filter-branch done by an [script](https://github.com/src-d/go-mysql-server/blob/master/_scripts/go-vitess/Makefile), of the great  [Vitess](github.com/vitessio/vitess) project.
+`go-vitess` is an automatic filter-branch done by an [script](https://github.com/src-d/go-mysql-server/blob/master/_scripts/go-vitess/Makefile), of the great  [Vitess](https://github.com/vitessio/vitess) project.
 
 The goal is keeping the `vitess.io/vitess/go` package and all the dependent packages as a standalone versioned golang library, to be used by other projects.
 
@@ -14,7 +14,7 @@ go get -v -u gopkg.in/src-d/go-vitess.v1/...
 
 ## Contributions
 
-Since the code belongs to the upstream of [Vitess](github.com/vitessio/vitess),
+Since the code belongs to the upstream of [Vitess](https://github.com/vitessio/vitess),
 the issue neither pull requests aren't accepted to this repository.
 
 ## License