Simplify the following text for a Grade 7 native English-speaking person.
Original: Plans by architect Charles Swain proposed a 120,000 capacity ground based on the design of Hampden Park , though these plans were scaled back to give a capacity of 80,000 .
Simplified: Plans by architect Charles Swain proposed a 120,000 capacity ground based on the design of Hampden Park . These plans were reduced to give a capacity of 80,000 .