[DOCS] Asks me to refer to installation instructions,which is what I followed

The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/9.6/static/tutorial-createdb.html
Description:

So, I followed the instructions here
https://www.postgresql.org/download/linux/ubuntu/

to a T, but it's saying to refer to the installation instructions, which is
what I used to install postgresql. So, I basically have no recourse now, but
to give up and never use postgresql again.