Update index.mdx

Add hint to enable tracing to view data in LLM tab

Author: Luke31

docs/platforms/python/integrations/langchain/index.mdx

@@ -36,6 +36,8 @@ An additional dependency, `tiktoken`, is required to be installed if you want to
 
 In addition to capturing errors, you can monitor interactions between multiple services or applications by [enabling tracing](/concepts/key-terms/tracing/). You can also collect and analyze performance profiles from real users with [profiling](/product/explore/profiling/).
 
+Tracing is required to see AI pipelines in sentry's [AI tab](https://sentry.io/insights/ai/llm-monitoring/).
+
 Select which Sentry features you'd like to install in addition to Error Monitoring to get the corresponding installation and configuration instructions below.
 
 <OnboardingOptionButtons