St-1 amendment

Hello to all, I have just registered my st1 online filed it offline last week today I got the St-2 certificate online I have a question I have mistakenly enter my name where I wanted to enter my companys name so I want to change that how should I do that? Get the st-2 signed by the official first or ammend the st-1 online and follow the whole procedure once again wait for the new st-2 to come and then get it signed by the official? Please suggest the best way And I am all new at this so detailed help would be really appreciated...