fix broken link (#1869)

docs/docs/guides/integrations/llamaindex.md

@@ -67,7 +67,7 @@ The trace timeline not only captures the "events" but it also capture the execut
 
 LlamaIndex provides [one-click observability 🔭](https://docs.llamaindex.ai/en/stable/module_guides/observability/) to allow you to build principled LLM applications in a production setting.
 
-Our integration leverages this capability of LlamaIndex and automatically sets [`WeaveCallbackHandler()`](/weave/weave/integrations/llamaindex/llamaindex.py) to `llama_index.core.global_handler`. Thus as a user of LlamaIndex and Weave all you need to do is initialize a Weave run - `weave.init(<name-of-project>)`
+Our integration leverages this capability of LlamaIndex and automatically sets [`WeaveCallbackHandler()`](https://github.com/wandb/weave/blob/master/weave/integrations/llamaindex/llamaindex.py) to `llama_index.core.global_handler`. Thus as a user of LlamaIndex and Weave all you need to do is initialize a Weave run - `weave.init(<name-of-project>)`
 
 ## Create a `Model` for easier experimentation