Corrected the docstring for worker().
@@ -34,7 +34,7 @@ def worker(module_name,
operator_class,
occurrence,
test_runner):
- """Mutate the OCCURRENCE-th site for OPERATOR_NAME in MODULE_NAME, run the
+ """Mutate the OCCURRENCE-th site for OPERATOR_CLASS in MODULE_NAME, run the
tests, and report the results.
This is fundamentally the single-mutation-and-test-run process
