Adjustments and documentation suggested by @coderabbitai

src/undate/converters/edtf/converter.py

@@ -13,6 +13,13 @@
 
 
 class EDTFDateConverter(BaseDateConverter):
+    """
+    Converter for Extended Date/Time Format (EDTF).
+
+    Supports parsing and serializing dates and date ranges in EDTF format.
+    Does not support all of EDTF, and only supports dates and not times.
+    """
+
     #: converter name: EDTF
     name: str = "EDTF"
 

src/undate/undate.py

@@ -12,7 +12,7 @@
 class Undate:
     """object for representing uncertain, fuzzy or partially unknown dates"""
 
-    DEFAULT_FORMAT: str = "ISO8601"
+    DEFAULT_CONVERTER: str = "ISO8601"
 
     #: symbol for unknown digits within a date value
     MISSING_DIGIT: str = "X"
@@ -138,7 +138,7 @@ def __init__(
         if converter is None:
             #  import all subclass definitions; initialize the default
             converter_cls = BaseDateConverter.available_converters()[
-                self.DEFAULT_FORMAT
+                self.DEFAULT_CONVERTER
             ]
             converter = converter_cls()
         self.converter = converter