docs: update blog post distribution 2543

Author: jpraynaud

docs/website/blog/2025-11-03-distribution-2543.md

@@ -7,7 +7,13 @@ tags: [release, distribution, 2543]
 
 ### Distribution `2543` is now available
 
-The [`2543.0`](https://github.com/input-output-hk/mithril/releases/tag/2543.0) distribution has been released, introducing the following changes:
+:::info Update 2025/11/10
+
+The team released the hotfix `2543.1-hotfix` to address a bug in the `2543.0` distribution that could prevent the Mithril signer from signing when (re)started.
+
+:::
+
+The [`2543.1-hotfix`](https://github.com/input-output-hk/mithril/releases/tag/2543.1-hotfix) distribution has been released, introducing the following changes:
 
 - Added support for default incremental backend (v2) for Cardano database restoration in the client library, CLI and WASM
 - Added support for enhanced verification of a Cardano database which provides a list of tampered and missing files in case of failure in the client library and CLI
@@ -20,13 +26,13 @@ This new distribution has been deployed to the **Mithril aggregator** on the `re
 For those running a **Mithril signer**:
 
 - **pre-release-preview** network: no action is required at this time
-- **release-preprod** network: upgrade the signer node binary to version `0.2.273` – no configuration changes are required
-- **release-mainnet** network: upgrade the signer node binary to version `0.2.273`– no configuration changes are required.
+- **release-preprod** network: upgrade the signer node binary to version `0.2.276` – no configuration changes are required
+- **release-mainnet** network: upgrade the signer node binary to version `0.2.276` – no configuration changes are required.
 
 You can update the Mithril signer using the one-line command below. By default, it downloads to the current directory, but you can specify a custom folder with the -p option:
 
 ```bash
-curl --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/input-output-hk/mithril/refs/heads/main/mithril-install.sh | sh -s -- -c mithril-signer -d 2543.0 -p $(pwd)
+curl --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/input-output-hk/mithril/refs/heads/main/mithril-install.sh | sh -s -- -c mithril-signer -d 2543.1-hotfix -p $(pwd)
 ```
 
 For any inquiries or assistance, contact the team on the [Discord channel](https://discord.gg/5kaErDKDRq).