[doc] fix link (#20417)

Signed-off-by: reidliu41 <reid201711@gmail.com>

Author: reidliu41

examples/offline_inference/profiling_tpu/README.md

@@ -4,7 +4,7 @@ This script is used to profile the TPU performance of vLLM for specific prefill
 
 Note: an actual running server is a mix of both prefill of many shapes and decode of many shapes.
 
-We assume you are on a TPU already (this was tested on TPU v6e) and have installed vLLM according to the [installation guide](https://docs.vllm.ai/en/latest/getting_started/installation/ai_accelerator/index.html).
+We assume you are on a TPU already (this was tested on TPU v6e) and have installed vLLM according to the [Google TPU installation guide](https://docs.vllm.ai/en/latest/getting_started/installation/google_tpu.html).
 
 > In all examples below, we run several warmups before (so `--enforce-eager` is okay)