Update solutions/security/ai/ai-assistant-knowledge-base.md

Co-authored-by: natasha-moore-elastic <[email protected]>

Author: benironside

solutions/security/ai/ai-assistant-knowledge-base.md

@@ -40,7 +40,7 @@ The `Elastic AI Assistant: All` role privilege allows you to use AI Assistant an
 
 ## Give AI Assistant access to Elastic's product documentation [elastic-docs]
 
-When you enable knowledge base, AI Assistant automatically gains access to Elastic's product documentation. This improves its answers to questions related to Elastic products and features.
+When you enable Knowledge Base, AI Assistant automatically gains access to Elastic's product documentation. This improves its answers to questions related to Elastic products and features.
 
 In air-gapped environments, this requires additional configuration. Refer to the [{{kib}} AI Assistant settings documentation](kibana://reference/configuration-reference/ai-assistant-settings.md) for detailed instructions. Once you complete the instructions on that page, AI Assistant will automatically gain access to Elastic's documentation as soon as you start a new conversation.