fix some typos (#6209)

Co-authored-by: Brayden Zhong <b8zhong@uwaterloo.ca>

benchmark/tree_of_thought_deep/README.md

@@ -1,13 +1,13 @@
-## Download data
+## Download Data
 ```
 wget https://raw.githubusercontent.com/openai/grade-school-math/master/grade_school_math/data/test.jsonl
 ```
 
-## Run benchmark
+## Run Benchmark
 
 NOTE: This is an implementation for throughput/latency benchmark purposes. The prompts are not tuned to achieve good accuracy on the GSM-8K tasks.
 
-### Benchmark sglang
+### Benchmark SGLang
 ```
 python -m sglang.launch_server --model-path meta-llama/Llama-2-7b-chat-hf --port 30000
 ```
@@ -18,7 +18,7 @@ python3 bench_sglang.py --num-questions 16 --parallel 1
 ```
 
 
-### Benchmark vllm
+### Benchmark vLLM
 ```
 python3 -m vllm.entrypoints.api_server --tokenizer-mode auto --model meta-llama/Llama-2-7b-chat-hf --disable-log-requests --port 21000
 ```
@@ -28,7 +28,7 @@ python3 bench_other.py --num-questions 32 --backend vllm
 ```
 
 
-### Benchmark lightllm
+### Benchmark LightLLM
 ```
 # A10G
 python -m lightllm.server.api_server --tokenizer_mode auto --model_dir ~/model_weights/llama-2-7b-chat-hf --max_total_token_num 16000 --port 22000
@@ -39,12 +39,12 @@ python3 bench_other.py --num-questions 32 --backend lightllm
 ```
 
 
-### Benchmark guidance
+### Benchmark Guidance
 ```
 python3 bench_other.py --num-questions 8 --backend guidance --parallel 1 --n-ctx 4096 --model-path path/to/gguf
 ```
 
-### Benchmark lmql
+### Benchmark LMQL
 
 ```
 python3 bench_other.py --num-questions 8 --backend lmql --parallel 1