first pass at incorporating Joe's feedback

docs/assistant/security-assistant.asciidoc

@@ -167,31 +167,30 @@ When you include a particular event as context, you can use a similar interface
 The *Show anonymized* toggle controls whether you see the obfuscated or plaintext versions of the fields you sent to AI Assistant. It doesn't control what gets obfuscated — that's determined by the anonymization settings. It also doesn't affect how event fields appear _before_ being sent to AI Assistant. Instead, it controls how fields that were already sent and obfuscated appear to you.
 
 [[ai-assistant-knowledge-base]]
-* **Knowledge base:** Use retrieval-augmented generation to provide additional context to AI Assistant. 
+* **Knowledge base:** Use retrieval-augmented generation (RAG) to provide additional context to AI Assistant. 
 +
 beta::[]
 
-Enable AI Assistant to answer questions about the Elastic Search Query Language ({esql}):
+When Knowledge base is enabled, AI Assistant can answer questions about the Elastic Search Query Language ({esql}). For example, it can help you write an {esql} query for a particular use case, or answer general questions about {esql} syntax and usage. 
+
+To enable AI Assistant to answer questions about {esql}:
 
 . Enable the Elastic Learned Sparse EncodeR (ELSER). This model provides additional context to the third-party LLM. To learn more, refer to {ml-docs}/ml-nlp-elser.html#download-deploy-elser[Configure ELSER].
 . Initialize the knowledge base by clicking *Initialize*.
 . Turn on the *Knowledge Base* option.
-. Click *Save*. The knowledge base is now active.
-+
-When this setting is enabled, AI Assistant can answer questions about {esql}. For example, it can help you write an {esql} query for a particular use case, or answer general questions about {esql} syntax and usage. 
-A quick prompt for {esql} queries becomes available, which provides a good starting point for your {esql} conversations and questions. When this setting is disabled, AI Assistant can not answer questions about {esql}.
+. Click *Save*. The knowledge base is now active. A quick prompt for {esql} queries becomes available, which provides a good starting point for your {esql} conversations and questions. 
+
+When the **Alerts** setting is enabled, AI Assistant will receive multiple alerts as context for each of your prompts. It will receive alerts from the last 24 hours that have a status of `open` or `acknowledged`, ordered first by risk score, then by recency. Building block alerts are excluded. 
 
-Enable AI Assistant to answer questions about alerts in your environment:
+To enable AI Assistant to answer questions about alerts in your environment:
 
 . Turn on the **Alerts** setting.
 . Use the slider to select how many alerts to send to AI Assistant. 
 +
-When this setting is enabled, AI Assistant will receive multiple alerts as context for each of your prompts. It will receive alerts from the last 24 hours that have a status of `open` or `acknowledged`, ordered first by risk score, then by recency, and excluding building block alerts. 
-
 [role="screenshot"]
-image::images/knowledge-base-settings.png[AI Assistant's settings menu, open to the Knowledge Base tab]
-[discrete]
+image::images/knowledge-base-settings.png["AI Assistant's settings menu open to the Knowledge Base tab",75%]
 
+[discrete]
 [[ai-assistant-queries]]
 ### Get the most from your queries