Small grammar errors

Small grammar errors being fixed help with site credibility :)

The below text needs to be updated as there are multiple grammar errors. I have underlined issues.

Any donation you make - helps us to move forward faster. We respect your help and don't want to abuse it. We will consider your donation when we introduce paid plans. Depends on ammount you donated you can have special offers like extra "x" months of using SqlDBM on beta plan (no limits) or "subscription price minus donated money".