diff --git a/docs/submission.md b/docs/submission.md
index f29ecbddd1042ae7222b71360f6bbb8ac826407f..96e7b883d13606270231bc95c41ef6f5875ffd59 100644
--- a/docs/submission.md
+++ b/docs/submission.md
@@ -22,7 +22,7 @@ Our platform supports custom runtime environments. This means you have the flexi
 
 - **`requirements.txt`**: List any PyPI packages your project needs. **Do specify versions, as we observe significant difference in inference time between different `transformer` versions.**
 - **`apt.txt`**: Include any apt packages required.
-- **`Dockerfile`**: The one located at the root will be used by default to build your submission. 
+- **`Dockerfile`**: The one located at the root will be used by default to build your submission. **You can specify the python version here if you need specific ones**. 
 
 For detailed setup instructions regarding runtime dependencies, refer to the documentation in the `docs/runtime.md` file.