diff --git a/bddrest/__init__.py b/bddrest/__init__.py
index 5d4a43b..6946463 100644
--- a/bddrest/__init__.py
+++ b/bddrest/__init__.py
@@ -6,4 +6,4 @@
 from .exceptions import InvalidUrlParametersError, CallVerifyError
 
 
-__version__ = '4.4.0'
+__version__ = '4.4.1'
diff --git a/bddrest/documentary/documenter.py b/bddrest/documentary/documenter.py
index 1e67f4e..9ebe2bf 100644
--- a/bddrest/documentary/documenter.py
+++ b/bddrest/documentary/documenter.py
@@ -71,13 +71,13 @@ def write_call(self, basecall, call, formatter):
 
                 for v in value:
                     info = info or {}
-                    required = info.get('required')
-                    not_none = info.get('not_none')
+                    needed = info.get('required')
+                    notnone = info.get('not_none')
                     type_ = info.get('type')
                     rows.append((
                         k,
-                        '?' if required is None else required and 'Yes' or 'No',
-                        '?' if not_none is None else not_none and 'No' or 'Yes',
+                        '?' if needed is None else needed and 'Yes' or 'No',
+                        '?' if notnone is None else notnone and 'No' or 'Yes',
                         '?' if type_ is None else type_,
                         v
                     ))