Updated doc string max executions

Author: rsomers1998

causal_testing/surrogate/causal_surrogate_assisted.py

@@ -88,7 +88,7 @@ def execute(
         space which is, therefore, most likely to indicate incorrect behaviour. This cadidate test case is run against
         the simulator, checked for faults and the result returned with collected data
         :param data_collector: An ObservationalDataCollector which gathers data relevant to the specified scenario
-        :param max_executions: Maximum number of executions
+        :param max_executions: Maximum number of simulator executions before exiting the search
         :param custom_data_aggregator:
         :return: tuple containing SimulationResult or str, execution number and collected data"""
         data_collector.collect_data()