I have committed a grammatical mistake in one of the applications. Also used 2 words in capital to highlight. Does these things matter or an overall quality of app/ story matters. Do schools understand there can be few errors which can be overlooked or do they scrutiny every detail minutely and penalize people.

How do schools take the grammatical mistakes from the recommenders. Are 2-3 such mistakes okay/ overlooked by schools in a 2000 word document