diff --git a/docs/Getting-Started/Environment-Variables.md b/docs/Getting-Started/Environment-Variables.md
index 9250ca6..50f1084 100644
--- a/docs/Getting-Started/Environment-Variables.md
+++ b/docs/Getting-Started/Environment-Variables.md
@@ -17,7 +17,9 @@ This is a complete list of available environment variables; required variables a
 | DISABLE_EMULATOR_JS            | Disables playing in browser with [EmulatorJS](../Platforms-and-Players/EmulatorJS-Player.md)                                                        |          | `false` |
 | DISABLE_RUFFLE_RS              | Disables playing flash games with [RuffleRS](../Platforms-and-Players/RuffleRS-Player.md)                                                           |          | `false` |
 | TZ                             | Sets the timezone                                                                                                                                   |          | `UTC`   |
-| GUNICORN_WORKERS               | Number of processes running the app                                                                                                                 |          | `2`     |
+| GUNICORN_WORKERS [deprecated]  | Number of processes running the app                                                                                                                 |          | `2`     |
+| WEB_CONCURRENCY                | Number of processes running the app                                                                                                                 |          | `2`     |
+| ROMM_PORT                      | Port on which the application listens                                                                                                               |          | `8080`  |
 | ROMM_BASE_PATH                 | Base folder path for library, resources and assets                                                                                                  |          | `/romm` |
 | LOGLEVEL                       | Logging level for the app                                                                                                                           |          | `INFO`  |
 | FORCE_COLOR                    | Forces color output                                                                                                                                 |          | `false` |
diff --git a/docs/Getting-Started/Generate-API-Keys.md b/docs/Getting-Started/Generate-API-Keys.md
index 466b73c..9ff2a33 100644
--- a/docs/Getting-Started/Generate-API-Keys.md
+++ b/docs/Getting-Started/Generate-API-Keys.md
@@ -24,6 +24,10 @@ To access the MobyGames API, [create a MobyGames account](https://www.mobygames.
 !!! important
     MobyGames API became a [paid feature](https://www.mobygames.com/info/api/#non-commercial). Any existing key can be used as usual, but any new API key created will be under a paywall
 
+## ScreenScraper
+
+To access the ScreenScraper API, create a [ScreenScraper](https://www.screenscraper.fr/membreinscription.php) and copy the **user** and **password** you just created to `SCREENSCRAPER_USER` and `SCREENSCRAPER_PASSWORD` respectively.
+
 ## SteamGridDB
 
 To access steamGridDB API, you need to login into their [website](https://www.steamgriddb.com/) with a [steam account](https://store.steampowered.com/join). Once logged in, go to your [API tab under the preferences page](https://www.steamgriddb.com/profile/preferences/api). Copy the key shown and use it to set `STEAMGRIDDB_API_KEY`.