fix typo in readme

Author: Gy-Lu

README.md

@@ -124,7 +124,7 @@ or run the script `./inference.sh`, you can change the parameter in the script,
 ```
 
 #### inference with data workflow
-Alphafold's data pre-processing takes a lot of time, so we speed up the data pre-process by [ray](https://docs.ray.io/en/latest/workflows/concepts.html) workflow, which achieves a 3x times faster speed. To run the intference with ray workflow, you should install the package and add parameter `--enable_workflow` to cmdline or shell script `./inference.sh`
+Alphafold's data pre-processing takes a lot of time, so we speed up the data pre-process by [ray](https://docs.ray.io/en/latest/workflows/concepts.html) workflow, which achieves a 3x times faster speed. To run the inference with ray workflow, you should install the package and add parameter `--enable_workflow` to cmdline or shell script `./inference.sh`
 ```shell
 pip install ray==1.13.0 pyarrow
 ```