{Cosmos DB,AKS} Correct indefinite articles in help text

[Hashim Khan (Hashim1999164)]

🤖 PR Validation — ️✔️ All clear

Breaking Changes	Tests
️✔️ None	️✔️ 130/130

Summary

Fixes #27937

Updates hand written help strings in the Cosmos DB and ACS modules from a Azure to an Azure.

Related: #33883 covers the az rest Graph example in the util module.

Test plan

• Confirm Cosmos DB help no longer contains a Azure
• Confirm ACS Dev Spaces help uses an Azure

[azure-pipelines]

Azure Pipelines:
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[Copilot]

Pull request overview

Updates Azure CLI command help text in the Cosmos DB and ACS command modules to correct the English article from “a Azure” to “an Azure”, improving the quality and consistency of user-facing help output.

Changes:

• Corrected multiple Cosmos DB help entries to use “an Azure …” in short-summary and example names.
• Corrected the ACS Dev Spaces help parameter description to use “an Azure …”.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/azure-cli/azure/cli/command_modules/cosmosdb/_help.py	Fixes “a Azure” → “an Azure” across several Cosmos DB identity/keys/restorable help strings.
src/azure-cli/azure/cli/command_modules/acs/_help.py	Fixes “a Azure” → “an Azure” in the Dev Spaces controller endpoint help text.

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[Yong Zhang (yonzhan)]

Fix help

[azure-client-tools-agent]

Live test skipped

⏭️ Skipping the live test for this revision because no new test file was added (tests/**/test_*.py).

The live-test pipeline runs only the test files a PR changes, so there is nothing to execute for this commit. This is informational — a regression test is encouraged where it makes sense, but not required. If a test file is added in a later commit, the live test will run automatically.

[azure-client-tools-agent]

Automated CI Review — All Checks Passed ✅

All checks are green for this PR (documentation-only fix updating an Azure Cosmos DB / ACS help text article link). No further automated action needed here.

[Cooper Cox (coopercox-ms)]

/azp run

[azure-pipelines]

Azure Pipelines:
Successfully started running 3 pipeline(s).

[microsoft-github-policy-service]

🔔 Routing this PR to @Azure/act-observability-squad.

[microsoft-github-policy-service]

🔔 Routing this PR to @Azure/act-codegen-extensibility-squad.