diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
index 99f26c0..5e838b3 100644
--- a/.settings/org.eclipse.core.resources.prefs
+++ b/.settings/org.eclipse.core.resources.prefs
@@ -1,2 +1,3 @@
 eclipse.preferences.version=1
+encoding//src/pychangelogfactory/changelogfactory.py=utf-8
 encoding/<project>=UTF-8
diff --git a/src/pychangelogfactory/changelogfactory.py b/src/pychangelogfactory/changelogfactory.py
index a279eb0..6da465e 100644
--- a/src/pychangelogfactory/changelogfactory.py
+++ b/src/pychangelogfactory/changelogfactory.py
@@ -94,7 +94,7 @@ def _ChangelogFormaterRecordType(Klass: Type[T_ChangelogFormater]) -> Type[T_Cha
         Klass: class to register in the factory
     Returns:
         untouched class"""
-    cast(ChangelogFactory[ChangelogFormater], ChangelogFactory)._ar_SavedFormaterKlass.add(Klass)
+    cast(ChangelogFactory[ChangelogFormater], ChangelogFactory).ar_SavedFormaterKlass.add(Klass)
     return ChangelogFormaterRecordType(Klass)
 
 
@@ -198,7 +198,7 @@ class ChangelogFormater(ABC):
 class ChangelogFactory(Generic[T_ChangelogFormater]):
     """The main changelog class"""
 
-    _ar_SavedFormaterKlass: ClassVar[_ChangelogFormatersCtx[ChangelogFormater]] = _ChangelogFormatersCtx[ChangelogFormater]()
+    ar_SavedFormaterKlass: ClassVar[_ChangelogFormatersCtx[ChangelogFormater]] = _ChangelogFormatersCtx[ChangelogFormater]()
     ar_FormaterKlass: _ChangelogFormatersCtx[T_ChangelogFormater] = _ChangelogFormatersCtx[T_ChangelogFormater]()
 
     ar_Formater: Dict[str, T_ChangelogFormater] = {}
@@ -228,7 +228,7 @@ class ChangelogFactory(Generic[T_ChangelogFormater]):
             self for convenience
         """
         self.ar_FormaterKlass: T_ChangelogFormater = deepcopy(
-            cast(_ChangelogFormatersCtx[T_ChangelogFormater], ChangelogFactory._ar_SavedFormaterKlass)
+            cast(_ChangelogFormatersCtx[T_ChangelogFormater], ChangelogFactory.ar_SavedFormaterKlass)
         )
         self.ar_Formater = {}
         for FormaterKlass in self.ar_FormaterKlass.get():
@@ -247,8 +247,7 @@ class ChangelogFactory(Generic[T_ChangelogFormater]):
     @classmethod
     def ResetBaseFormaterList(cls) -> None:
         """Reset the formater class list to original (BaseClass wise)"""
-        cls.ar_FormaterKlass = deepcopy(cls._ar_SavedFormaterKlass)
-        return None
+        cls.ar_FormaterKlass = deepcopy(cls.ar_SavedFormaterKlass)
 
     def RegisterFormater(self, FormaterKlass: Type[T_ChangelogFormater]) -> ChangelogFactory[T_ChangelogFormater]:
         """Register a new formater in the current instance
@@ -442,7 +441,7 @@ for RecordType, Config in {
     )
     globals()[_name] = _tmp
     cast(ChangelogFactory[ChangelogFormater], ChangelogFactory).RegisterBaseFormater(_tmp)
-    cast(ChangelogFactory[ChangelogFormater], ChangelogFactory)._ar_SavedFormaterKlass.add(_tmp)
+    cast(ChangelogFactory[ChangelogFormater], ChangelogFactory).ar_SavedFormaterKlass.add(_tmp)
 
 
 @_ChangelogFormaterRecordType