diff --git a/README.md b/README.md
index d71b81f..6201c09 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,9 @@ nzbdl
 A python CLI application for downloading the files referenced by an [NZB](https://en.wikipedia.org/wiki/NZB) file.
 
 ```bash
+export NNTP_SERVER=news.example.com
+export NNTP_USER=user
+export NNTP_PASSWORD=password # if not set, is prompted at run time
 pip3 install git+https://github.com/sabnzbd/sabyenc
 python3 nzbdl.py "Big Buck Bunny.nzb"
 # if articles were missing when attempting download: