Flowers for Algernon prediction writing

At first when I started reading I noticed that there were some misspellings, then I started thinking that he could be a slow person. Then he was comparing himself to a mouse named Algernon and was wanting to be as smart has him so, he had a surgery to help him become faster at reading and everything. Then it stated that he was going back to work at the factory so that might be after the operation which must have been a success.