diff --git a/cookiecutter.json b/cookiecutter.json
index 166a212..23a4a3e 100644
--- a/cookiecutter.json
+++ b/cookiecutter.json
@@ -2,7 +2,7 @@
   "github_username": "username_for_github_actions",
   "github_email": "email_for@github_actions.com",
   "process_type": "RTC",
-  "short_description": "HyP3 plugin for {{cookiecutter.process_type}} processing",
+  "short_description": "HyP3 plugin for {{cookiecutter.process_type}} processing.",
   "public_url": "https://github.com/ASFHyP3/hyp3-{{cookiecutter.process_type}}",
   "copyright_year": "{% now 'utc', '%Y' %}",
   "__project_name": "hyp3-{{cookiecutter.process_type | lower}}",
diff --git a/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/__init__.py b/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/__init__.py
index d5e1f08..1769081 100644
--- a/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/__init__.py
+++ b/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/__init__.py
@@ -2,6 +2,7 @@
 
 from importlib.metadata import version
 
+
 __version__ = version(__name__)
 
 __all__ = [
diff --git a/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/__main__.py b/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/__main__.py
index 6589e4f..5a06251 100644
--- a/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/__main__.py
+++ b/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/__main__.py
@@ -1,20 +1,15 @@
-"""
-{{cookiecutter.process_type}} processing for HyP3
-"""
+"""{{cookiecutter.process_type}} processing for HyP3."""
 import logging
 from argparse import ArgumentParser
 
 from hyp3lib.aws import upload_file_to_s3
 from hyp3lib.image import create_thumbnail
 
-
 from {{cookiecutter.__package_name}}.process import {{cookiecutter.__process_name}}
 
 
-def main():
-    """
-    HyP3 entrypoint for {{cookiecutter.__package_name}}
-    """
+def main() -> None:
+    """HyP3 entrypoint for {{cookiecutter.__package_name}}."""
     parser = ArgumentParser()
     parser.add_argument('--bucket', help='AWS S3 bucket HyP3 for upload the final product(s)')
     parser.add_argument('--bucket-prefix', default='', help='Add a bucket prefix to product(s)')
diff --git a/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/process.py b/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/process.py
index f7a65ca..af7a473 100644
--- a/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/process.py
+++ b/{{cookiecutter.__project_name}}/src/{{cookiecutter.__package_name}}/process.py
@@ -1,6 +1,4 @@
-"""
-{{cookiecutter.process_type}} processing
-"""
+"""{{cookiecutter.process_type}} processing."""
 
 import argparse
 import logging
@@ -8,11 +6,12 @@
 
 from {{cookiecutter.__package_name}} import __version__
 
+
 log = logging.getLogger(__name__)
 
 
 def {{cookiecutter.__process_name}}(greeting: str = 'Hello world!') -> Path:
-    """Create a greeting product
+    """Create a greeting product.
 
     Args:
         greeting: Write this greeting to a product file (Default: "Hello world!" )
@@ -23,8 +22,8 @@ def {{cookiecutter.__process_name}}(greeting: str = 'Hello world!') -> Path:
     return product_file
 
 
-def main():
-    """{{cookiecutter.__process_name}} entrypoint"""
+def main() -> None:
+    """{{cookiecutter.__process_name}} entrypoint."""
     parser = argparse.ArgumentParser(
         prog='{{cookiecutter.__process_name}}',
         description=__doc__,