[doc] fix the incorrect label (#19787)

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

docs/getting_started/installation/gpu.md

@@ -42,7 +42,7 @@ vLLM is a Python library that supports the following GPU variants. Select your G
 
 === "NVIDIA CUDA"
 
-    --8<-- "docs/getting_started/installation/gpu/cuda.inc.md:create-a-new-python-environment"
+    --8<-- "docs/getting_started/installation/gpu/cuda.inc.md:set-up-using-python"
 
 === "AMD ROCm"
 

docs/getting_started/installation/gpu/cuda.inc.md

@@ -10,8 +10,6 @@ vLLM contains pre-compiled C++ and CUDA (12.8) binaries.
 # --8<-- [end:requirements]
 # --8<-- [start:set-up-using-python]
 
-### Create a new Python environment
-
 !!! note
     PyTorch installed via `conda` will statically link `NCCL` library, which can cause issues when vLLM tries to use `NCCL`. See <gh-issue:8420> for more details.