docs(scout): standardise command name to 'environment' in _index.md

[mohithshuka]

What does this PR do?

Fixes inconsistent command name usage in the Scout environment integration docs.

The _index.md page mixed docker scout env and docker scout environment
interchangeably in prose descriptions. Updated all prose references to use
the canonical docker scout environment form, which matches the
official CLI reference.

Related issue

Closes #25085

Type of change

• Documentation update

Changes made

File: content/manuals/scout/integrations/environment/_index.md

• Changed docker scout env → docker scout environment in two prose sentences
• Terminal command examples ($ docker scout environment) were already correct and left unchanged

Checklist

• The change is limited to the files described above
• No new broken links introduced
• Consistent with the CLI reference documentation

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[Copilot]

Pull request overview

This PR aims to improve documentation consistency by standardizing command naming in the Docker Scout “environments” integration docs, but it also includes an additional (and currently problematic) update to the Docker daemon configuration docs.

Changes:

• Updates Scout environments docs to prefer docker scout environment over docker scout env in multiple places.
• Modifies console examples and prose in the Scout environments page (but leaves some inconsistent env references and introduces a duplicated sentence).
• Adds a new “Configuration using environment variables” section to the Docker daemon docs, but the Markdown fencing and the systemd example appear incorrect/incomplete.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
content/manuals/scout/integrations/environment/_index.md	Standardizes command naming toward docker scout environment, but still contains inconsistent env prose, a copy/paste formatting issue, and duplicated text.
content/manuals/engine/daemon/_index.md	Expands daemon configuration documentation to include environment variables, but introduces internal wording inconsistencies and broken Markdown fences; also expands PR scope beyond stated intent.

Comments suppressed due to low confidence (7)

content/manuals/scout/integrations/environment/_index.md:56

• The console example has an extra space after $ ($ docker ...), which makes copy/paste awkward and inconsistent with other console blocks in this doc. Remove the extra space so the prompt formatting is consistent.

```console
$  docker scout environment

**content/manuals/scout/integrations/environment/_index.md:102**
* These two lines duplicate the same sentence, and the first has incorrect capitalization (“you can Use”). Collapse to a single sentence with correct casing.

Alternatively, you can Use the docker scout environment command to view the images from the terminal.
use the docker scout environment command to view the images from the terminal.

**content/manuals/scout/integrations/environment/_index.md:56**
* The PR description says terminal command examples were already correct and left unchanged, but this hunk updates the examples from `docker scout env` to `docker scout environment`. Please update the PR description (or revert the example changes) so it accurately reflects what changed.

docker scout env command.

$  docker scout environment

**content/manuals/engine/daemon/_index.md:49**
* After introducing a third configuration method, this paragraph still says “both of these options”, which is now ambiguous/incorrect. Reword to explicitly refer to the JSON file + flags (or update the explanation to include how environment variables interact).

There are three ways to configure the Docker daemon:

• Use a JSON configuration file. This is the preferred option, since it keeps
  all configurations in a single place.
• Use flags when starting dockerd.
• Use environment variables to set daemon options.

You can use both of these options together as long as you don't specify the same
option both as a flag and in the JSON file. If that happens, the Docker daemon
won't start and prints an error message.

**content/manuals/engine/daemon/_index.md:114**
* The new section’s fenced code blocks use inconsistent/invalid backtick counts (e.g. ````````console / ``````ini / ````console), which will likely break Markdown rendering. Use standard triple-backtick fences consistently for each block.

To set environment variables for the Docker daemon using systemd, create a
drop-in override file:

$ sudo systemctl edit docker
```````

Add the following:

``````ini
[Service]
Environment="DOCKER_OPTS=--debug --tls=true"
`````

```
**content/manuals/engine/daemon/_index.md:113**
* As written, the systemd drop-in only sets `DOCKER_OPTS`, but doesn’t show how that variable is applied to `dockerd` (e.g., via an `ExecStart` override that references it). Either document the full, working systemd override pattern (similar to `remote-access.md`) or change the example to a mechanism that is guaranteed to affect `dockerd` (daemon.json or explicit flags).
```
### Configuration using environment variables

You can configure the Docker daemon using environment variables. This is useful
in systemd service overrides or init scripts.

To set environment variables for the Docker daemon using systemd, create a
drop-in override file:

````````console
$ sudo systemctl edit docker
```````

Add the following:

``````ini
[Service]
Environment="DOCKER_OPTS=--debug --tls=true"
`````
```
**content/manuals/engine/daemon/_index.md:106**
* Other Engine docs use `systemctl edit docker.service` / `restart docker.service` when describing systemd overrides. For consistency (and to avoid ambiguity on systems with similarly named units), consider using the explicit `docker.service` unit name here too.
```
To set environment variables for the Docker daemon using systemd, create a
drop-in override file:

````````console
$ sudo systemctl edit docker
```````
```
</details>



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