PYTHON-2628: Fix 'encryption::create_data_key` docstring to use existing algorithm
PYTHON-2628: Fix 'encryption::create_data_key` docstring to use existing algorithm


ShaneHarvey/mongo-python-driver,mongodb/mongo-python-driver,mongodb/mongo-python-driver,mongodb/mongo-python-driver,ShaneHarvey/mongo-python-driver,ShaneHarvey/mongo-python-driver