Update observability-ai-assistant.md

Author: benironside

solutions/observability/observability-ai-assistant.md

@@ -41,11 +41,11 @@ To set up or use AI assistant, you need the following:
 * An [LLM connector](/solutions/security/ai/set-up-connectors-for-large-language-models-llm.md)
 
 * (Optional) To use [knowledge base](#obs-ai-add-data): 
-  - A 4 GB {{ml}} node.
+  - A 4 GB {{ml}} node
     :::{note}
     In {{ecloud}} or {{ece}}, if you have {{ml}} autoscaling enabled, {{ml}} nodes automatically start when using the knowledge base and AI Assistant. Therefore using these features incurs additional costs.
     :::
-  - If you want to use [content connectors](elasticsearch://reference/search-connectors/index.md) to add external data to knowledge base: A self-deployed connector service.
+  - If you want to use [content connectors](elasticsearch://reference/search-connectors/index.md) to add external data to knowledge base: A self-deployed connector service
 
 ## Manage access to AI Assistant