Update content/api/enterprise-api-ref/ai-settings.markdown

Co-authored-by: Craig Comstock <craig.comstock@northern.tech>

Author: aleksandrychev

content/api/enterprise-api-ref/ai-settings.markdown

@@ -93,7 +93,7 @@ HTTP 200 OK
   "id": 1,
   "provider": "openai",
   "model": "gpt-4",
-  "token": "token is set
+  "token": "token is set"
   "base_url": null,
   "name": "OpenAI GPT-4",
   "description": "Production OpenAI configuration",