[Doc] Fix quant documentation to make it reproducible (#2277)

### What this PR does / why we need it?
Fixed the expression of msit for code clone

- vLLM version: v0.10.0
- vLLM main:
afa5b7ca0b

---------

Signed-off-by: wangli <wangli858794774@gmail.com>

docs/source/tutorials/multi_node_kimi.md

@@ -5,7 +5,7 @@
 referring to [multi_node.md](https://vllm-ascend.readthedocs.io/en/latest/tutorials/multi_node.html#verification-process)
 
 ## Run with docker
-Assume you have two Atlas 800 A3(64G*16) nodes(or 4 *A2* 8), and want to deploy the `Kimi-K2-Instruct-W8A8` quantitative model across multi-node.
+Assume you have two Atlas 800 A3(64G*16) nodes(or 4 * A2), and want to deploy the `Kimi-K2-Instruct-W8A8` quantitative model across multi-node.
 
 ```{code-block} bash
    :substitutions:

docs/source/tutorials/single_npu_qwen3_quantization.md

@@ -32,12 +32,15 @@ see https://www.modelscope.cn/models/vllm-ascend/Qwen3-8B-W4A8
 :::
 
 ```bash
-# Optional, this commit has been verified
-git clone https://gitee.com/ascend/msit -b f8ab35a772a6c1ee7675368a2aa4bafba3bedd1a
-
+git clone https://gitee.com/ascend/msit
 cd msit/msmodelslim
+
+# Optional, this commit has been verified
+git checkout f8ab35a772a6c1ee7675368a2aa4bafba3bedd1a
+
 # Install by run this script
 bash install.sh
+pip install accelerate
 
 cd example/Qwen
 # Original weight path, Replace with your local model path