diff --git a/Quickstart.md b/Quickstart.md
index 0146b31..3105590 100644
--- a/Quickstart.md
+++ b/Quickstart.md
@@ -47,6 +47,8 @@ service will be implemented in the future.
 
 ## Further reading
 
+* Upstream user guide: https://github.com/oragono/oragono/blob/master/docs/USERGUIDE.md
+  * Upstream manual: https://github.com/oragono/oragono/blob/master/docs/MANUAL.md (mostly aimed at operators)
 * The Oragono IRCd integrated documentation: `/HELPOP INDEX`
 * On some clients the command may be: `/QUOTE HELPOP INDEX`
   or `/RAW HELPOP INDEX`