diff --git a/doc/self-hosting.md b/doc/self-hosting.md
index 2c99e5cee513c..217544bc68bc1 100644
--- a/doc/self-hosting.md
+++ b/doc/self-hosting.md
@@ -10,7 +10,7 @@ You will need Node 14 or later, which you can install using a
 On Ubuntu / Debian:
 
 ```sh
-curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -; sudo apt-get install -y nodejs
+curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -; sudo apt-get install -y nodejs
 ```
 
 ```sh
@@ -140,11 +140,6 @@ preconfigured raster server.
 [raster server]: https://github.com/badges/svg-to-image-proxy
 [micro]: https://github.com/zeit/micro
 
-## Persistence
-
-To enable Redis-backed GitHub token persistence, point `REDIS_URL` to your
-Redis installation.
-
 ## Server secrets
 
 You can add your own server secrets in environment variables or `config/local.yml`.