diff --git a/docs/api.rst b/docs/api.rst
index df3f4b0e..254db235 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -1,8 +1,6 @@
 API Documentation
 =================
 
-This project exposes 2 modules:
-
 ``build`` module
 ----------------
 
diff --git a/src/build/__init__.py b/src/build/__init__.py
index 93164f8e..6985ed0a 100644
--- a/src/build/__init__.py
+++ b/src/build/__init__.py
@@ -279,7 +279,7 @@ def __init__(
         The default runner simply calls the backend hooks in a subprocess, writing backend output
         to stdout/stderr.
         """
-        self.srcdir: str = os.path.abspath(srcdir)
+        self._srcdir: str = os.path.abspath(srcdir)
         _validate_source_directory(srcdir)
 
         spec_file = os.path.join(srcdir, 'pyproject.toml')
@@ -319,6 +319,11 @@ def _runner(
             extra_environ['PATH'] = os.pathsep.join(paths)
         self._hook_runner(cmd, cwd, extra_environ)
 
+    @property
+    def srcdir(self) -> str:
+        """Project source directory."""
+        return self._srcdir
+
     @property
     def python_executable(self) -> str:
         """
@@ -509,6 +514,7 @@ def log(message: str) -> None:
 
 __all__ = [
     '__version__',
+    'BuildSystemTableValidationError',
     'BuildBackendException',
     'BuildException',
     'ConfigSettingsType',
diff --git a/src/build/__main__.py b/src/build/__main__.py
index df244cc9..6e2ebf0b 100644
--- a/src/build/__main__.py
+++ b/src/build/__main__.py
@@ -21,9 +21,6 @@
 from build.env import IsolatedEnvBuilder
 
 
-__all__ = ['build', 'main', 'main_parser']
-
-
 _COLORS = {
     'red': '\33[91m',
     'green': '\33[92m',
@@ -386,3 +383,9 @@ def entrypoint() -> None:
 
 if __name__ == '__main__':  # pragma: no cover
     main(sys.argv[1:], 'python -m build')
+
+
+__all__ = [
+    'main',
+    'main_parser',
+]
diff --git a/src/build/env.py b/src/build/env.py
index 092cf76f..b9e8f62b 100644
--- a/src/build/env.py
+++ b/src/build/env.py
@@ -29,7 +29,7 @@
     virtualenv = None
 
 
-_logger = logging.getLogger('build.env')
+_logger = logging.getLogger(__name__)
 
 
 class IsolatedEnv(metaclass=abc.ABCMeta):
@@ -330,7 +330,7 @@ def _find_executable_and_scripts(path: str) -> Tuple[str, str, str]:
     return executable, paths['scripts'], paths['purelib']
 
 
-__all__ = (
+__all__ = [
     'IsolatedEnvBuilder',
     'IsolatedEnv',
-)
+]
diff --git a/src/build/util.py b/src/build/util.py
index cd7941ad..6c918ced 100644
--- a/src/build/util.py
+++ b/src/build/util.py
@@ -55,4 +55,6 @@ def project_wheel_metadata(
         return _project_wheel_metadata(builder)
 
 
-__all__ = ('project_wheel_metadata',)
+__all__ = [
+    'project_wheel_metadata',
+]