docs: Qualify update:docker and the Compose override tag

update:docker builds but never pulls, so it does not update the prebuilt
images of a default install. The !override tag needs Compose 2.24.4.

Author: berry-13

content/docs/local/docker.mdx

@@ -138,7 +138,7 @@ You may need to prefix commands with `sudo` according to your environment permis
 
 <Callout type="info" title="Update script">
 
-From the LibreChat directory, `npm run update:docker` runs the repository's update script for Docker installs. Use the manual steps below if you prefer to control each step.
+The repository's `npm run update:docker` script rebuilds locally built images but does not pull the prebuilt images that the default `docker-compose.yml` uses, so follow the manual steps below to update a default install.
 
 </Callout>
 
@@ -181,7 +181,7 @@ The simplest fix is to set `PORT` in your `.env` file, which changes both the po
 PORT=3081
 ```
 
-Alternatively, replace the published port in `docker-compose.override.yml` with the `!override` tag (the container keeps listening on 3080):
+Alternatively, with Docker Compose 2.24.4 or later, replace the published port in `docker-compose.override.yml` with the `!override` tag (the container keeps listening on 3080):
 
 ```yaml filename="docker-compose.override.yml"
 services: