fix docstring

Author: andresliszt

python/pydantic_core/core_schema.py

@@ -2212,7 +2212,7 @@ def with_default_schema(
         schema: The schema to add a default value to
         default: The default value to use
         default_factory: A function that returns the default value to use
-        default_factory: A function to compare the default value with any other given
+        default_comparison: A function to compare the default value with any other given
         on_error: What to do if the schema validation fails. One of 'raise', 'omit', 'default'
         validate_default: Whether the default value should be validated
         strict: Whether the underlying schema should be validated with strict mode