Update images in the changelog

about/changelog.md

@@ -22,27 +22,27 @@ Highlighted features in TimescaleDB v2.18.0 include:
 * Hypertables support triggers for transition tables, which is one of the most upvoted community feature requests.
 * Updated methods to manage Timescale's hybrid row-columnar store (hypercore). These methods highlight columnstore usage. The columnstore includes an optimized columnar format as well as compression.
 
-### SQL Assistant Improvements
+### SQL Assistant improvements
 
 We made a few improvements to SQL Assistant:
 
 **Dedicated SQL Assistant threads** 🧵
 
 Each query, notebook, and dashboard now gets its own conversation thread, keeping your chats organized.
 
-![Dedicated threads](https://assets.timescale.com/docs/images/sql-assistant-threads.gif)
+![Dedicated threads](https://assets.timescale.com/docs/images/timescale-cloud-sql-assistant-threads.gif)
 
 **Delete messages** ❌
 
 Made a typo? Asked the wrong question? You can now delete individual messages from your thread to keep the conversation clean and relevant.
 
-![Delete messages in SQL Assistant threads](https://assets.timescale.com/docs/images/sql-assistant-delete-messages.png)
+![Delete messages in SQL Assistant threads](https://assets.timescale.com/docs/images/timescale-cloud-sql-assistant-delete-messages.png)
 
 **Support for OpenAI `o3-mini` ⚡**
 
 We’ve added support for OpenAI’s latest `o3-mini` model, bringing faster response times and improved reasoning for SQL queries.
 
-![Screenshot of o3-mini](https://assets.timescale.com/docs/images/sql-assistant-o3-mini.png)
+![SQL Assistant o3 mini](https://assets.timescale.com/docs/images/timescale-cloud-sql-assistant-o3-mini.png)
 
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