diff --git a/.gitignore b/.gitignore
index e2b6fbe..e56565e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,6 @@
 /.pytest_cache/
 
 /dist/
+
+# IDEs
+/.idea/
diff --git a/README.rst b/README.rst
index a78a822..e2f819f 100644
--- a/README.rst
+++ b/README.rst
@@ -8,10 +8,8 @@ Legacy API Wrapper |b-pypi| |b-travis| |b-codecov|
 .. |b-codecov| image:: https://codecov.io/gh/flying-sheep/legacy-api-wrap/branch/master/graph/badge.svg
    :target: https://codecov.io/gh/flying-sheep/legacy-api-wrap
 
-
-
 This module defines a decorator to wrap legacy APIs.
-The primary use case is APIs defined before keyword-only parameters.
+The primary use case is APIs defined before keyword-only parameters existed.
 
 >>> from legacy_api_wrap import legacy_api
 
diff --git a/pyproject.toml b/pyproject.toml
index 08f321e..f2ee5e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,12 +9,17 @@ description-file = 'README.rst'
 author = 'Philipp A.'
 author-email = 'flying-sheep@web.de'
 home-page = 'https://github.com/flying-sheep/legacy-api-wrap'
+requires-python = '>=3.5'
 requires = [
     'get-version >=2.0.4',
     'setuptools',
     'future-fstrings',
 ]
-classifiers = [#
+classifiers = [
+    'Development Status :: 5 - Production/Stable',
+    'Intended Audience :: Developers',
+    'Programming Language :: Python :: 3',
+    'Topic :: Software Development :: Libraries :: Python Modules',
     'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
 ]