Correct typo in README

README.txt

@@ -8,7 +8,7 @@ Simply use go tools:
   cd $GOPATH/src
   git clone https://gogs.reverservices.eu/temp/gem-spaas-coding-challenge
   cd gem-spaas-coding-challenge
-  go get -d .
+  go get -d ./cmd/spaas-server
   go install ./cmd/spaas-server
 
 Or docker: