capitalize Tensorflow

ml-agents/mlagents/trainers/ppo/trainer.py

         Creates a policy with a Tensorflow backend and PPO hyperparameters
         :param parsed_behavior_id:
         :param behavior_spec: specifications for policy construction
-        :param create_graph: whether to create the tensorflow graph on construction
+        :param create_graph: whether to create the Tensorflow graph on construction
         :return policy
         """
         policy = TFPolicy(

ml-agents/mlagents/trainers/sac/trainer.py

         Creates a policy with a Tensorflow backend and SAC hyperparameters
         :param parsed_behavior_id:
         :param behavior_spec: specifications for policy construction
-        :param create_graph: whether to create the tensorflow graph on construction
+        :param create_graph: whether to create the Tensorflow graph on construction
         :return policy
         """
         policy = TFPolicy(