diff --git a/platformio/package/commands/show.py b/platformio/package/commands/show.py
index cd95819e..ce50bc88 100644
--- a/platformio/package/commands/show.py
+++ b/platformio/package/commands/show.py
@@ -20,7 +20,7 @@ from tabulate import tabulate
 from platformio import fs, util
 from platformio.clients.registry import RegistryClient
 from platformio.exception import UserSideException
-from platformio.package.manager._registry import PackageManageRegistryMixin
+from platformio.package.manager._registry import PackageManagerRegistryMixin
 from platformio.package.meta import PackageSpec, PackageType
 
 
@@ -136,7 +136,9 @@ def fetch_package_data(spec, pkg_type=None):
     if not packages:
         return None
     if len(packages) > 1:
-        PackageManageRegistryMixin.print_multi_package_issue(click.echo, packages, spec)
+        PackageManagerRegistryMixin.print_multi_package_issue(
+            click.echo, packages, spec
+        )
         return None
     return client.get_package(
         packages[0]["type"],
diff --git a/platformio/package/manager/_registry.py b/platformio/package/manager/_registry.py
index d96c8bc3..c782135d 100644
--- a/platformio/package/manager/_registry.py
+++ b/platformio/package/manager/_registry.py
@@ -78,7 +78,7 @@ class RegistryFileMirrorIterator(object):
         return RegistryFileMirrorIterator.HTTP_CLIENT_INSTANCES[self._mirror]
 
 
-class PackageManageRegistryMixin(object):
+class PackageManagerRegistryMixin(object):
     def install_from_registry(self, spec, search_qualifiers=None):
         if spec.owner and spec.name and not search_qualifiers:
             package = self.fetch_registry_package(spec)
diff --git a/platformio/package/manager/base.py b/platformio/package/manager/base.py
index 76e41a36..9188fb63 100644
--- a/platformio/package/manager/base.py
+++ b/platformio/package/manager/base.py
@@ -28,7 +28,7 @@ from platformio.package.lockfile import LockFile
 from platformio.package.manager._download import PackageManagerDownloadMixin
 from platformio.package.manager._install import PackageManagerInstallMixin
 from platformio.package.manager._legacy import PackageManagerLegacyMixin
-from platformio.package.manager._registry import PackageManageRegistryMixin
+from platformio.package.manager._registry import PackageManagerRegistryMixin
 from platformio.package.manager._uninstall import PackageManagerUninstallMixin
 from platformio.package.manager._update import PackageManagerUpdateMixin
 from platformio.package.manifest.parser import ManifestParserFactory
@@ -49,7 +49,7 @@ class ClickLoggingHandler(logging.Handler):
 
 class BasePackageManager(  # pylint: disable=too-many-public-methods,too-many-instance-attributes
     PackageManagerDownloadMixin,
-    PackageManageRegistryMixin,
+    PackageManagerRegistryMixin,
     PackageManagerInstallMixin,
     PackageManagerUninstallMixin,
     PackageManagerUpdateMixin,