Corrected the Release link
There was a typo in the link regarding the versions of release and thus it returned 404.
@@ -145,7 +145,7 @@ docker pull crunchydata/apiserver:centos7-2.3
Next get the *pgo* client, go to the Releases page and download the tar ball, uncompress it into your $HOME directory:
....
cd $HOME
-wget https://github.com/CrunchyData/postgres-operator/releases/download/2.1/postgres-operator.2.3.tar.gz
+wget https://github.com/CrunchyData/postgres-operator/releases/download/2.3/postgres-operator.2.3.tar.gz
tar xvzf ./postgres-operator.2.3.tar.gz
....
