Merge pull request #3924 from ClickHouse/mikeshi/update-clickstack-docs

ClickStack: Fix local mode docs and demo data link

Author: Blargian

docs/use-cases/observability/clickstack/deployment/local-mode-only.md

@@ -11,11 +11,11 @@ import Image from '@theme/IdealImage';
 import hyperdx_logs from '@site/static/images/use-cases/observability/hyperdx-logs.png';
 import hyperdx_2 from '@site/static/images/use-cases/observability/hyperdx-2.png';
 
-This mode includes the UI with all application state stored locally in the browser. 
+This mode includes the UI with authentication disabled to allow for quick local use. 
 
 **User authentication is disabled for this distribution of HyperDX**
 
-It does not include a MongoDB instance, meaning dashboards, saved searches, and alerts are not persisted across users.
+It does not persist dashboards, saved searches, and alerts.
 
 ### Suitable for {#suitable-for}
 

docs/use-cases/observability/clickstack/example-datasets/sample-data.md

@@ -60,7 +60,7 @@ curl -O https://storage.googleapis.com/hyperdx/sample.tar.gz
 # wget https://storage.googleapis.com/hyperdx/sample.tar.gz
 ```
 
-This file contains example logs, metrics, and traces from our public [OpenTelemetry demo](http://example.com) - a simple e-commerce store with microservices. Copy this file to a directory of your choosing.
+This file contains example logs, metrics, and traces from our public [OpenTelemetry demo](https://github.com/ClickHouse/opentelemetry-demo) - a simple e-commerce store with microservices. Copy this file to a directory of your choosing.
 
 ## Load sample data {#load-sample-data}
 

docs/use-cases/observability/clickstack/getting-started.md

@@ -157,11 +157,11 @@ With the stack deployed, try one of our same datasets.
 
 ## Local mode {#local-mode}
 
-Local mode is a way to deploy HyperDX without a database or OTel collector. You can connect directly to a ClickHouse server from your browser directly, with configuration stored locally in your browser's local or session storage. This image **only** includes the HyperDX UI. 
+Local mode is a way to deploy HyperDX without needing to authenticate. 
 
 Authentication is not supported. 
 
-This mode is intended to be used for quick testing, development, demos and debugging use cases where deploying a full HyperDX instance is not necessary.
+This mode is intended to be used for quick testing, development, demos and debugging use cases where authentication and settings persistence is not necessary.
 
 ### Hosted Version {#hosted-version}