Modified the trype of the species rmg_thermo attribute

arc/species/species.py

@@ -233,7 +233,7 @@ class ARCSpecies(object):
         include_in_thermo_lib (bool): Whether to include in the output RMG library.
         e0_only (bool): Whether to only run statmech (w/o thermo) to compute E0.
         thermo (HeatCapacityModel): The thermodata calculated by ARC.
-        rmg_thermo (HeatCapacityModel): The thermodata generated by RMG for comparison.
+        rmg_thermo (Dict[str, int]): The RMG thermo, 'H298' in kJ/mol and 'S298' in J/mol*K.
         long_thermo_description (str): A description for the species entry in the thermo library outputted.
         ts_guesses (list): A list of TSGuess objects for each of the specified methods.
         successful_methods (list): Methods used to generate a TS guess that successfully generated an XYZ guess.