trying to fix docs build again

Signed-off-by: Shangming Cai <caishangming@linux.alibaba.com>

Author: ShangmingCai

docs/source/features/spec_decode.md

@@ -194,7 +194,7 @@ A few important things to consider when using the EAGLE based draft models:
    be able to be loaded and used directly by vLLM after [PR 12304](https://github.com/vllm-project/vllm/pull/12304).
    If you are using vllm version before [PR 12304](https://github.com/vllm-project/vllm/pull/12304), please use the
    [script](https://gist.github.com/abhigoyal1997/1e7a4109ccb7704fbc67f625e86b2d6d) to convert the speculative model,
-   and specify `speculative_model="path/to/modified/eagle/model",`. If weight-loading problems still occur when using
+   and specify `speculative_model="path/to/modified/eagle/model"`. If weight-loading problems still occur when using
    the latest version of vLLM, please leave a comment or raise an issue.
 
 2. The EAGLE based draft models need to be run without tensor parallelism