DOC minor typo fix
@@ -622,7 +622,7 @@ class OrdinalEncoder(_BaseEncoder):
dtype : number type, default np.float64
Desired dtype of output.
- handle_unknown : {'error', 'use_encoded_value}', default='error'
+ handle_unknown : {'error', 'use_encoded_value'}, default='error'
When set to 'error' an error will be raised in case an unknown
categorical feature is present during transform. When set to
'use_encoded_value', the encoded value of unknown categories will be
