fix int8 doc link (#4179)

docs/references/deepseek.md

@@ -55,7 +55,7 @@ Detailed commands for reference:
 - [2 x 8 x H200](https://github.com/sgl-project/sglang/tree/main/benchmark/deepseek_v3#example-serving-with-two-h208-nodes)
 - [4 x 8 x A100](https://github.com/sgl-project/sglang/tree/main/benchmark/deepseek_v3#example-serving-with-four-a1008-nodes)
 - [8 x A100 (AWQ)](https://github.com/sgl-project/sglang/tree/main/benchmark/deepseek_v3#example-serving-with-8-a100a800-with-awq-quantization)
-- [16 x A100 (int8)](https://github.com/sgl-project/sglang/tree/modify-doc/benchmark/deepseek_v3#example-serving-with-16-a100a800-with-int8-quantization)
+- [16 x A100 (int8)](https://github.com/sgl-project/sglang/tree/main/benchmark/deepseek_v3#example-serving-with-16-a100a800-with-int8-quantization)
 
 ### Download Weights