diff --git a/docs/images/docker-firefox.md b/docs/images/docker-firefox.md
index aa246bd69..735a25816 100755
--- a/docs/images/docker-firefox.md
+++ b/docs/images/docker-firefox.md
@@ -106,6 +106,7 @@ services:
       - PUID=1000
       - PGID=1000
       - TZ=Etc/UTC
+      - FIREFOX_CLI=https://www.linuxserver.io/ #optional
     volumes:
       - /path/to/config:/config
     ports:
@@ -124,6 +125,7 @@ docker run -d \
   -e PUID=1000 \
   -e PGID=1000 \
   -e TZ=Etc/UTC \
+  -e FIREFOX_CLI=https://www.linuxserver.io/ `#optional` \
   -p 3000:3000 \
   -p 3001:3001 \
   -v /path/to/config:/config \
@@ -150,6 +152,7 @@ Containers are configured using parameters passed at runtime (such as those abov
 | `PUID=1000` | for UserID - see below for explanation |
 | `PGID=1000` | for GroupID - see below for explanation |
 | `TZ=Etc/UTC` | specify a timezone to use, see this [list](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List). |
+| `FIREFOX_CLI=https://www.linuxserver.io/` | Specify one or multiple Firefox CLI flags, this string will be passed to the application in full. |
 
 ### Volume Mappings (`-v`)
 
@@ -327,6 +330,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **13.02.24:** - Add ability to pass CLI args to Firefox.
 * **10.02.24:** - Update Readme with new env vars and ingest proper PWA icon.
 * **01.01.24:** - Rebase to Alpine 3.19.
 * **13.05.23:** - Rebase to Alpine 3.18.