fix: typo

Author: rubenfonseca

aws_lambda_powertools/event_handler/api_gateway.py

@@ -567,7 +567,7 @@ def _openapi_operation_request_body(
         from aws_lambda_powertools.event_handler.openapi.compat import ModelField, get_schema_from_model_field
         from aws_lambda_powertools.event_handler.openapi.params import Body
 
-        # Check tat there is a body field and it's a Pydantic's model field
+        # Check that there is a body field and it's a Pydantic's model field
         if not body_field:
             return None