diff --git a/README.md b/README.md
index 68d8a82..717297c 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ or macOS.
 - [NodeJS](https://nodejs.org/en/download/) (the LTS version is fine)
 - [Firefox](https://www.mozilla.org/en-US/firefox/download/thanks/)
 - [geckodriver](https://github.com/mozilla/geckodriver/releases)
-- [nzz.js]()
+- [nzz.js](https://code.vanwa.ch/sebastian/nzz-downloader/-/releases)
 
 ## Usage
 ```
@@ -48,3 +48,10 @@ directory "./nzz"
 ```
 ./nzz.js -u 'myuser@example.com' -p 'mypassword' -f 1780-01-01 -t 1780-02-30
 ```
+
+## Caveats
+You need a good internet connection, as the program only waits 5 seconds until a
+download of an issue can start. This is something that is hard to solve unfortunately.
+
+## Licence
+Licenced as [MPL 2.0](https://www.mozilla.org/en-US/MPL/2.0/).