### What this PR does / why we need it?
To improve the quality of certain docs by revising specific content.
### Does this PR introduce _any_ user-facing change?
None
### How was this patch tested?
- vLLM version: v0.19.0
- vLLM main:
6f786f2c50
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Signed-off-by: Lucky1 <144669645+verylucky01@users.noreply.github.com>