[doc] fix typo (huggingface#27981)

docs/source/en/perf_infer_gpu_one.md

@@ -227,7 +227,7 @@ model.save_pretrained("saved_model")
 
 bitsandbytes is a quantization library that includes support for 4-bit and 8-bit quantization. Quantization reduces your model size compared to its native full precision version, making it easier to fit large models onto GPUs with limited memory.
 
-Make sure you have bitsnbytes and 🤗 Accelerate installed:
+Make sure you have bitsandbytes and 🤗 Accelerate installed:
 
 ```bash
 # these versions support 8-bit and 4-bit