[Info][main] Corrected the errors in the information (#4055)

### What this PR does / why we need it?
Corrected the errors in the information

### Does this PR introduce _any_ user-facing change?
no

### How was this patch tested?
ut

- vLLM version: v0.11.0
- vLLM main:
83f478bb19

Signed-off-by: lilinsiman <lilinsiman@gmail.com>

docs/source/index.md

@@ -25,7 +25,7 @@ vLLM Ascend plugin (vllm-ascend) is a community maintained hardware plugin for r
 
 This plugin is the recommended approach for supporting the Ascend backend within the vLLM community. It adheres to the principles outlined in the [[RFC]: Hardware pluggable](https://github.com/vllm-project/vllm/issues/11162), providing a hardware-pluggable interface that decouples the integration of the Ascend NPU with vLLM.
 
-By using vLLM Ascend plugin, popular open-source models, including Transformer-like, Mixture-of-Expert, Embedding, Multi-modal LLMs can run seamlessly on the Ascend NPU.
+By using vLLM Ascend plugin, popular open-source models, including Transformer-like, Mixture-of-Experts, Embedding, Multi-modal LLMs can run seamlessly on the Ascend NPU.
 
 ## Documentation