[Doc][Misc] Improve readability and fix typos in documentation (#8633)

### What this PR does / why we need it?

This PR improves the readability of the documentation by fixing typos,
correcting command extensions.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

Documentation changes only.

Signed-off-by: sunshine202600 <sunshine202600@163.com>

docs/source/tutorials/models/Qwen-VL-Dense.md

@@ -350,7 +350,7 @@ curl http://localhost:8000/v1/chat/completions \
     {"role": "system", "content": "You are a helpful assistant."},
     {"role": "user", "content": [
         {"type": "image_url", "image_url": {"url": "https://modelscope.oss-cn-beijing.aliyuncs.com/resource/qwen.png"}},
-        {"type": "text", "text": "What is the text in the illustrate?"}
+        {"type": "text", "text": "What is the text in the illustration?"}
     ]}
     ]
     }'
@@ -437,7 +437,7 @@ curl http://localhost:8000/v1/chat/completions \
     {"role": "system", "content": "You are a helpful assistant."},
     {"role": "user", "content": [
         {"type": "image_url", "image_url": {"url": "https://modelscope.oss-cn-beijing.aliyuncs.com/resource/qwen.png"}},
-        {"type": "text", "text": "What is the text in the illustrate?"}
+        {"type": "text", "text": "What is the text in the illustration?"}
     ]}
     ]
     }'

docs/source/tutorials/models/Qwen3-VL-235B-A22B-Instruct.md

@@ -228,7 +228,7 @@ curl http://<node0_ip>:<port>/v1/chat/completions \
     {"role": "system", "content": "You are a helpful assistant."},
     {"role": "user", "content": [
         {"type": "image_url", "image_url": {"url": "https://modelscope.oss-cn-beijing.aliyuncs.com/resource/qwen.png"}},
-        {"type": "text", "text": "What is the text in the illustrate?"}
+        {"type": "text", "text": "What is the text in the illustration?"}
     ]}
     ]
     }'

docs/source/tutorials/models/Qwen3-VL-30B-A3B-Instruct.md

@@ -117,7 +117,7 @@ curl http://localhost:8000/v1/chat/completions \
         {"role": "system", "content": "You are a helpful assistant."},
         {"role": "user", "content": [
             {"type": "image_url", "image_url": {"url": "https://modelscope.oss-cn-beijing.aliyuncs.com/resource/qwen.png"}},
-            {"type": "text", "text": "What is the text in the illustrate?"}
+            {"type": "text", "text": "What is the text in the illustration?"}
         ]}
     ],
     "max_completion_tokens": 100

docs/source/user_guide/feature_guide/quantization.md

@@ -151,8 +151,7 @@ python -m vllm.entrypoints.api_server \
     --tensor-parallel-size 2 \
     --data-parallel-size 1 \
     --served-model-name quantized_model \
-    --trust-remote-code \
+    --trust-remote-code 
-    --quantization ascend
 ```
 
 ## References

examples/epd_disaggregated/epd_disaggregated_guide.md

@@ -133,7 +133,7 @@ curl http://localhost:8001/v1/chat/completions \
     {"role": "system", "content": "You are a helpful assistant."},
     {"role": "user", "content": [
         {"type": "image_url", "image_url": {"url": "https://modelscope.oss-cn-beijing.aliyuncs.com/resource/qwen.png"}},
-        {"type": "text", "text": "What is the text in the illustrate?"}
+        {"type": "text", "text": "What is the text in the illustration?"}
     ]}
     ]
     }'
@@ -310,7 +310,7 @@ curl http://localhost:8001/v1/chat/completions \
     {"role": "system", "content": "You are a helpful assistant."},
     {"role": "user", "content": [
         {"type": "image_url", "image_url": {"url": "https://modelscope.oss-cn-beijing.aliyuncs.com/resource/qwen.png"}},
-        {"type": "text", "text": "What is the text in the illustrate?"}
+        {"type": "text", "text": "What is the text in the illustration?"}
     ]}
     ]
     }'