diff --git a/README.md b/README.md
index c4c971c..a871ea7 100644
--- a/README.md
+++ b/README.md
@@ -46,8 +46,8 @@ see [docs] for all available functions.
 ## Development
 (more info in [CONTRIBUTING.md](CONTRIBUTING.md)).
 
-1. setup dev environment with `pip install -r dev-requirements` or `pipenv install -r dev-requirements`
-1. setup environment with `pip install -r requirements` or `pipenv install -r requirements`
+1. setup dev environment with `pip install -r dev-requirements.txt` or `pipenv install -r dev-requirements.txt`
+1. setup environment with `pip install -r requirements.txt` or `pipenv install -r requirements.txt`
 2. To run all checks to `make run-checks` (fixes style) or individually
    1. To fix style: `black .` and `isort .` -> `flake8 .` to validate lint
    2. To do type checking: `mypy .`