diff --git a/README.md b/README.md
index 5000768..7e3ccb4 100644
--- a/README.md
+++ b/README.md
@@ -8,15 +8,23 @@ Asynchronous HTTP requests are currently used by default.
 
 - [Python](https://www.python.org/) 3.8+
 
-Should run on most Linux/Windows systems. Tested on Arch.
+Should run on most Linux/Windows systems. Tested on Arch and Windows 10.
 
 ### Building
 
-Clone this repo, install `build` via pip, then run `pip -m build` 
+Clone this repo, install `build` via pip, then run `python -m build` 
 from the repository's root directory. This should produce a `dist/` 
 subdirectory with a wheel (build) and archive (source) distribution.
 The resulting `whl`-file can be installed via `pip install path/dist/***.whl`.
 
 ### Running
 
-...
+```shell
+$ python -m mwfin -h
+```
+gives a description of available CLI parameters and their usage. For example, running
+
+```shell
+$ python -m mwfin -f output.json -Q AAPL
+```
+will retrieve the most current available quarterly data from all three financial statements Apple Inc. has published and save it in JSON format to `output.json`.