diff --git a/src/ahriman/core/alpm/pacman.py b/src/ahriman/core/alpm/pacman.py
index d8911b55..0841dbaa 100644
--- a/src/ahriman/core/alpm/pacman.py
+++ b/src/ahriman/core/alpm/pacman.py
@@ -43,7 +43,7 @@ class Pacman(LazyLogging):
         configuration(Configuration): configuration instance
         refresh_database(PacmanSynchronization): synchronize local cache to remote
         repository_id(RepositoryId): repository unique identifier
-        repository_path(RepositoryPaths): repository paths instance
+        repository_paths(RepositoryPaths): repository paths instance
     """
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration, *,
@@ -188,8 +188,8 @@ class Pacman(LazyLogging):
         Returns:
             dict[str, set[str]]: map of package name to its list of files
         """
-        def extract(tar: tarfile.TarFile, package_names: dict[str, str]) -> Generator[tuple[str, set[str]], None, None]:
-            for package_name, version in package_names.items():
+        def extract(tar: tarfile.TarFile, versions: dict[str, str]) -> Generator[tuple[str, set[str]], None, None]:
+            for package_name, version in versions.items():
                 path = Path(f"{package_name}-{version}") / "files"
                 try:
                     content = tar.extractfile(str(path))
diff --git a/src/ahriman/core/alpm/pacman_database.py b/src/ahriman/core/alpm/pacman_database.py
index 3c99f07c..70258b70 100644
--- a/src/ahriman/core/alpm/pacman_database.py
+++ b/src/ahriman/core/alpm/pacman_database.py
@@ -59,7 +59,8 @@ class PacmanDatabase(SyncHttpClient):
 
         self.sync_files_database = configuration.getboolean("alpm", "sync_files_database")
 
-    def copy(self, remote_path: Path, local_path: Path) -> None:
+    @staticmethod
+    def copy(remote_path: Path, local_path: Path) -> None:
         """
         copy local database file
 
diff --git a/src/ahriman/core/status/client.py b/src/ahriman/core/status/client.py
index c8a3398e..3ef627ab 100644
--- a/src/ahriman/core/status/client.py
+++ b/src/ahriman/core/status/client.py
@@ -310,7 +310,7 @@ class Client:
     def set_unknown(self, package: Package) -> None:
         """
         set package status to unknown. Unlike other methods, this method also checks if package is known,
-        and - in case if it is - it silently skips updatd
+        and - in case if it is - it silently skips update
 
         Args:
             package(Package): current package properties
diff --git a/src/ahriman/models/repository_paths.py b/src/ahriman/models/repository_paths.py
index 462f6076..738fd353 100644
--- a/src/ahriman/models/repository_paths.py
+++ b/src/ahriman/models/repository_paths.py
@@ -113,7 +113,7 @@ class RepositoryPaths(LazyLogging):
         Returns:
             Path: full patch to devtools chroot directory
         """
-        # for the chroot directory devtools will create own tree, and we don"t have to specify architecture here
+        # for the chroot directory devtools will create own tree, and we don't have to specify architecture here
         return self.root / "chroot" / self.repository_id.name
 
     @property
diff --git a/tests/ahriman/core/alpm/test_pacman_database.py b/tests/ahriman/core/alpm/test_pacman_database.py
index 53a03c67..4b4fbfec 100644
--- a/tests/ahriman/core/alpm/test_pacman_database.py
+++ b/tests/ahriman/core/alpm/test_pacman_database.py
@@ -8,12 +8,12 @@ from ahriman.core.alpm.pacman_database import PacmanDatabase
 from ahriman.core.exceptions import PacmanError
 
 
-def test_copy(pacman_database: PacmanDatabase, mocker: MockerFixture) -> None:
+def test_copy(mocker: MockerFixture) -> None:
     """
     must copy loca database file
     """
     copy_mock = mocker.patch("shutil.copy")
-    pacman_database.copy(Path("remote"), Path("local"))
+    PacmanDatabase.copy(Path("remote"), Path("local"))
     copy_mock.assert_called_once_with(Path("remote"), Path("local"))