diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7017c7802..1d1a9497f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -79,11 +79,11 @@ How do I know what kind of test(s) to write?
 
 For each new detector, at least one regression tests must be present.
 
-1. Create a folder in `tests/e2e/detectors/test_data` with the detector's argument name. 
+1. Create a folder in `tests/e2e/detectors/test_data` with the detector's argument name.
 2. Create a test contract in `tests/e2e/detectors/test_data/<detector_name>/`.
 3. Update `ALL_TEST` in `tests/e2e/detectors/test_detectors.py`
-4. Run `python tests/e2e/detectors/test_detectors.py --compile` to create a zip file of the compilation artifacts. 
-5. `pytest tests/e2e/detectors/test_detectors.py --insta update-new`. This will generate a snapshot of the detector output in `tests/e2e/detectors/snapshots/`. If updating an existing detector, run `pytest tests/e2e/detectors/test_detectors.py --insta review` and accept or reject the updates. 
+4. Run `python tests/e2e/detectors/test_detectors.py --compile` to create a zip file of the compilation artifacts.
+5. `pytest tests/e2e/detectors/test_detectors.py --insta update-new`. This will generate a snapshot of the detector output in `tests/e2e/detectors/snapshots/`. If updating an existing detector, run `pytest tests/e2e/detectors/test_detectors.py --insta review` and accept or reject the updates.
 6. Run `pytest tests/e2e/detectors/test_detectors.py` to ensure everything worked. Then, add and commit the files to git.
 
 > ##### Helpful commands for detector tests