diff --git a/README.md b/README.md
index 5a8b014..483efff 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# toml-validator
+# TOML validator
 
 [![Tests](https://github.com/staticdev/toml-validator/workflows/Tests/badge.svg)](https://github.com/staticdev/toml-validator/actions?workflow=Tests)
 [![Supported Python Versions](https://img.shields.io/pypi/pyversions/toml-validator.svg)](https://pypi.python.org/pypi/toml-validator)
diff --git a/docs/conf.py b/docs/conf.py
new file mode 100644
index 0000000..299f182
--- /dev/null
+++ b/docs/conf.py
@@ -0,0 +1,9 @@
+"""Sphinx configuration."""
+from datetime import datetime
+
+
+project = "TOML validator"
+author = "Thiago Carvalho D'Ávila"
+copyright = f"{datetime.now().year}, {author}"
+extensions = ["sphinx.ext.autodoc", "sphinx.ext.napoleon"]
+autodoc_typehints = "description"
diff --git a/mypy.ini b/mypy.ini
index 640252a..313e479 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,4 +1,4 @@
 [mypy]
 
-[mypy-nox.*,tomlkit.*,pytest,pytest_mock,_pytest.*]
+[mypy-tomlkit.*,pytest,pytest_mock,_pytest.*]
 ignore_missing_imports = True
diff --git a/noxfile.py b/noxfile.py
index a5007c7..9d9a437 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,6 +1,7 @@
 """Nox sessions."""
 import contextlib
 import shutil
+import sys
 import tempfile
 from pathlib import Path
 from typing import cast
@@ -13,7 +14,6 @@
 package = "toml_validator"
 python_versions = ["3.7", "3.8"]
 nox.options.sessions = "pre-commit", "safety", "mypy", "tests"
-locations = "src", "tests", "noxfile.py"
 
 
 class Poetry:
@@ -130,9 +130,12 @@ def safety(session: Session) -> None:
 @nox.session(python=python_versions)
 def mypy(session: Session) -> None:
     """Type-check using mypy."""
-    args = session.posargs or locations
+    args = session.posargs or ["src", "tests", "docs/conf.py"]
+    install_package(session)
     install(session, "mypy")
     session.run("mypy", *args)
+    if not session.posargs:
+        session.run("mypy", f"--python-executable={sys.executable}", "noxfile.py")
 
 
 @nox.session(python=python_versions)