Fix broken link, missing Tabs.Tab wrapper, and comment typo

- Change /guides/security to /guides/user-facing-agents/secure-auth-production in Spring AI guide
- Add missing <Tabs.Tab> wrapper around Java code block in call-tool-agent quickstart
- Fix copy-paste comment from "Go Client" to "Java Client" in references page

Made-with: Cursor

Author: Valerie Fanelle

app/en/get-started/agent-frameworks/springai/page.mdx

@@ -443,7 +443,7 @@ curl -X POST http://localhost:8080/api/chat \
 ## Next steps
 
 1. **Add more tools**: Browse the [MCP server catalog](/resources/integrations) and add `@Tool` methods for GitHub, Google Docs, Notion, and more.
-2. **Add user authentication**: In production, resolve `userId` from your authentication system instead of a static configuration property. See [Security](/guides/security) for best practices.
+2. **Add user authentication**: In production, resolve `userId` from your authentication system instead of a static configuration property. See [Secure auth in production](/guides/user-facing-agents/secure-auth-production) for best practices.
 3. **Stream responses**: Replace `.call()` with `.stream()` on the `ChatClient` to stream responses using [Server-Sent Events](https://docs.spring.io/spring-ai/reference/api/chatclient.html#_streaming_responses).
 
 ## Complete code

app/en/get-started/quickstarts/call-tool-agent/page.mdx

@@ -408,6 +408,7 @@ console.log(respose_send_email.output?.value);
 ```
 
 </Tabs.Tab>
+<Tabs.Tab>
 ```java filename="App.java"
 Map<String, JsonValue> searchResult = authorizeAndRunTool(
             client,
@@ -465,6 +466,7 @@ logger.info(
     userId,
     sendEmailResult);
 ```
+</Tabs.Tab>
 </Tabs>
 
 ### Run the code

app/en/references/page.mdx

@@ -130,7 +130,7 @@ Complete reference documentation for Arcade's APIs, MCP servers, and available a
               Learn more about the Go Client
             </a>
           </div>
-          {/* Go Client */}
+          {/* Java Client */}
           <div>
           <h4 className="mb-2 font-semibold text-gray-900 text-lg dark:text-white">
             Java Client