Update README.md

Author: julienschmidt

README.md

@@ -38,7 +38,7 @@ A MySQL-Driver for Go's [database/sql](http://golang.org/pkg/database/sql) packa
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 ## Installation
-Simple install the package to your [$GOPATH](http://code.google.com/p/go-wiki/wiki/GOPATH "GOPATH") with the [go tool](http://golang.org/cmd/go/ go command) from shell:
+Simple install the package to your [$GOPATH](http://code.google.com/p/go-wiki/wiki/GOPATH "GOPATH") with the [go tool](http://golang.org/cmd/go/ "go command") from shell:
 ```bash
 $ go get github.com/Go-SQL-Driver/MySQL
 ```