### What this PR does / why we need it?
Fix the wrong title of the modelrunner_prepare_inputs docs
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
pass CI
- vLLM version: v0.11.0rc3
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0
Signed-off-by: ChenTaoyu-SJTU <ctynb@qq.com>
### What this PR does / why we need it?
To help more developers quickly get started with vLLM, we need to write
clear and easy-to-understand code documentation and technical
interpretations. This will effectively lower the learning curve, attract
more excellent contributors, and collectively build a better developer
community.
Add ModelRunner_prepare_inputs doc
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
Pass CI
- vLLM version: v0.10.0
- vLLM main:
4be02a3776
---------
Signed-off-by: ChenTaoyu-SJTU <ctynb@qq.com>
