diff --git a/README.md b/README.md
index 25b5215..b40ff7e 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,7 @@ services:
       - PUID=1000
       - PGID=1000
       - TZ=Europe/London
+      - JELLYFIN_PublishedServerUrl=192.168.0.5 #optional
     volumes:
       - /path/to/library:/config
       - /path/to/tvseries:/data/tvshows
@@ -113,6 +114,7 @@ docker run -d \
   -e PUID=1000 \
   -e PGID=1000 \
   -e TZ=Europe/London \
+  -e JELLYFIN_PublishedServerUrl=192.168.0.5 `#optional` \
   -p 8096:8096 \
   -p 8920:8920 `#optional` \
   -p 7359:7359/udp `#optional` \
@@ -144,7 +146,8 @@ Container images are configured using parameters passed at runtime (such as thos
 | `-p 1900/udp` | Optional - Service discovery used by DNLA and clients. |
 | `-e PUID=1000` | for UserID - see below for explanation |
 | `-e PGID=1000` | for GroupID - see below for explanation |
-| `-e TZ=Europe/London` | Specify a timezone to use EG Europe/London |
+| `-e TZ=Europe/London` | Specify a timezone to use (e.g. Europe/London). |
+| `-e JELLYFIN_PublishedServerUrl=192.168.0.5` | Set the autodiscovery response domain or IP address. |
 | `-v /config` | Jellyfin data storage location. *This can grow very large, 50gb+ is likely for a large collection.* |
 | `-v /data/tvshows` | Media goes here. Add as many as needed e.g. `/data/movies`, `/data/tv`, etc. |
 | `-v /data/movies` | Media goes here. Add as many as needed e.g. `/data/movies`, `/data/tv`, etc. |
@@ -186,6 +189,8 @@ Client Discovery (`7359/udp`) - Allows clients to discover Jellyfin on the local
   -p 1900:1900/udp \
 ```
 
+The [official documentation for environmentals](https://jellyfin.org/docs/general/administration/configuration.html) has additional environmentals that can provide additional configurability such as migrating to the native Jellyfin image.
+
 
 ## User / Group Identifiers
 
@@ -206,7 +211,7 @@ In this instance `PUID=1000` and `PGID=1000`, to find yours use `id user` as bel
 
 Webui can be found at `http://<your-ip>:8096`
 
-More information can be found in their official documentation [here](https://jellyfin.org/docs/general/quick-start.html) .
+More information can be found on the official documentation [here](https://jellyfin.org/docs/general/quick-start.html).
 
 ## Hardware Acceleration
 
@@ -318,7 +323,8 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
-* **20.01.21:"** - Deprecate `UMASK_SET` in favor of UMASK in baseimage, see above for more information.
+* **20.01.21:** - Add Jellyfin Binary Environmentals
+* **20.01.21:** - Deprecate `UMASK_SET` in favor of UMASK in baseimage, see above for more information.
 * **23.11.20:** - Rebase to Focal, branch off Bionic.
 * **22.07.20:** - Ingest releases from Jellyfin repo.
 * **28.04.20:** - Replace MMAL/OMX dependency device `/dev/vc-mem` with `/dev/vcsm` as the former was not sufficient for raspbian.