docs: update docs of README.mds.

summary: update command docker compose to docker-compose.

plex/README.md

@@ -1,10 +1,11 @@
 ## Plex
+
 This example provides a base setup for using [Plex](https://www.plex.tv/).
 More details on how to customize the installation and the compose file can be found in [linuxserver documentation](https://github.com/linuxserver/docker-plex).
 Alternatively, you can use different plex images (e.g. official plex image by [plexinc](https://github.com/plexinc/pms-docker))
 
-
 Project structure:
+
 ```
 .
 ├── .env
@@ -13,7 +14,8 @@ Project structure:
 ```
 
 [_compose.yaml_](compose.yaml)
-``` yaml
+
+```yaml
 services:
   plex:
     image: linuxserver/plex:latest
@@ -22,24 +24,28 @@ services:
 ## Configuration
 
 ### .env
+
 Before deploying this setup, you need to configure the following values in the [.env](.env) file.
+
 - PLEX_MEDIA_PATH
 
 ### Hardware Acceleration
+
 Check out the description for Hardware Acceleration support in the [documentation](https://github.com/linuxserver/docker-plex).
 
 ## Deploy with docker compose
+
 When deploying this setup, the web interface will be available on port 32400 (e.g. http://localhost:32400/web).
 
-``` shell
-$ docker compose up -d
+```shell
+$ docker-compose up -d
 Starting plex ... done
 ```
 
-
 ## Expected result
 
 Check containers are running:
+
 ```
 $ docker ps
 CONTAINER ID   IMAGE                             COMMAND                  CREATED          STATUS         PORTS                                          NAMES
@@ -48,10 +54,10 @@ CONTAINER ID   IMAGE                             COMMAND                  CREATE
 
 Navigate to `http://localhost:32400/web` in your web browser to access the plex web interface.
 
-
 Stop the containers with
-``` shell
-$ docker compose down
+
+```shell
+$ docker-compose down
 # To delete all data run:
-$ docker compose down -v
+$ docker-compose down -v
 ```