diff --git a/ownCast%2C-nginx-and-TLS.md b/ownCast%2C-nginx-and-TLS.md
index 210a03c..602b60a 100644
--- a/ownCast%2C-nginx-and-TLS.md
+++ b/ownCast%2C-nginx-and-TLS.md
@@ -1,9 +1,14 @@
-# owncast and nginx with SSL
+# ownCast, Nginx and TLS/SSL
+
+https://owncast.online/
+https://en.wikipedia.org/wiki/Nginx
+https://en.wikipedia.org/wiki/Transport_Layer_Security
 
 ## assumptions
 
 * your DNS is configured so that your.domain.com points to the IP of your server
 * ownCast is already installed on your server and working at http://your.domain.com:PORT
+* you are running Ubuntu/Debian
 
 ## install nginx