As an employee at a social media company, your task is to identify whether uploaded images feature cars. Each training sample belongs to precisely one category. Having trained an object detection neural network, you've deployed this model version to AI Platform Prediction for evaluation, also setting up an evaluation job linked to this model version. You observe that the model's precision falls short of the required business standards. What adjustments should you make to the softmax threshold in the model's final layer to improve precision?