core: fix a few typos in BaseConvertableFileMixin

product/ERP5/bootstrap/erp5_core/MixinTemplateItem/portal_components/mixin.erp5.BaseConvertableFileMixin.py

@@ -39,11 +39,11 @@ class BaseConvertableFileMixin:
   """
   This class provides a generic implementation of IBaseConvertable.
   This Mixin combine BaseConvertable  and Files documents.
-    getBaseData is overrided to serialise Pdata into string
-    _setBaseData is overrided to wrapp data into Pdata
+    getBaseData is overridden to serialise Pdata into string
+    _setBaseData is overridden to wrap data into Pdata
 
   - updateBaseMetadata is not implemented in this mixin and must be
-  explicitely overrided if needed.
+  explicitly overridden if needed.
 
   """
 
@@ -61,7 +61,7 @@ class BaseConvertableFileMixin:
     if not self.hasData():
       # Empty document cannot be converted
       return
-    message = self._convertToBaseFormat() # Call implemetation method
+    message = self._convertToBaseFormat() # Call implementation method
     if message is None:
       message = translateString('Converted to ${mime_type}.',
                             mapping={'mime_type': self.getBaseContentType()})
@@ -73,7 +73,7 @@ class BaseConvertableFileMixin:
 
   security.declareProtected(Permissions.ModifyPortalContent, 'updateBaseMetadata')
   def updateBaseMetadata(self, **kw):
-    """This Method must be defined explicitely.
+    """This Method must be defined explicitly.
     """
     raise NotImplementedError