diff --git a/README.md b/README.md
index c7e1fee..0df2f17 100644
--- a/README.md
+++ b/README.md
@@ -8,14 +8,29 @@ in 2017.
 The `bathymetry` directory contains the raw data and a tool that allows to
 generate the stl files necessary for the OpenFoam model.
 
+Usage:
+```
+python -m generate
+```
+
 ### OpenFoam
 The `openfoam` directory contains the OpenFoam configuration files and a
 utility that copies the configuration and runs the `olaFlow` model.
 
+Usage:
+```
+python -m run
+```
+
 ### Post-process
 The `post_process` directory provides a utility for plotting an animation of
 the simulation.
 
+Usage:
+```
+python -m animate alpha.water
+```
+
 ## Requirements
 The required Python packages are listed in the `requirements.txt` file.
 Run `pip install -r requirements.txt` to install all the required packages.
diff --git a/openfoam/run/__main__.py b/openfoam/run/__main__.py
index 84c3336..8557219 100644
--- a/openfoam/run/__main__.py
+++ b/openfoam/run/__main__.py
@@ -16,10 +16,11 @@ from .run import run
 
 _t0 = time()
 parser = argparse.ArgumentParser(
-    description='Run the OpenFoam simulation'
+    prog='run',
+    description='Run the OpenFoam simulation',
 )
 parser.add_argument('-c', '--config', default='config.ini', type=Path,
-    help='Configuration file (default config.ini)')
+    help='Configuration file')
 parser.add_argument('-l', '--log-level', default='INFO', type=str,
     help='Log level')
 
@@ -37,16 +38,6 @@ log = logging.getLogger('openfoam')
 log.info('Starting program')
 
 
-def step(command, alias=None):
-    if alias == None: alias = command
-    log.info(f'Running {alias}')
-    code = run(command, case_dir, alias)
-    if code != 0:
-        log.error(f'{alias} failed')
-        sys.exit(code)
-    log.info(f'{alias} finished successfully')
-
-
 if config.getboolean('grafana', 'pause', fallback=False):
     log.info('Silencing Grafana alert')
     grafana = Silencer(
@@ -71,6 +62,17 @@ if case_dir.exists():
 log.info(f'Copying case ({input_dir} -> {case_dir})')
 shutil.copytree(input_dir, case_dir)
 
+
+def step(command, alias=None):
+    if alias == None: alias = command
+    log.info(f'Running {alias}')
+    code = run(command, case_dir, alias)
+    if code != 0:
+        log.error(f'{alias} failed')
+        sys.exit(code)
+    log.info(f'{alias} finished successfully')
+
+
 if config.getboolean('stl', 'copy', fallback=False):
     stl_in = Path(config.get('stl', 'from')).expanduser()
     if not stl_in.exists():