edit
To fix and polish a draft for correct conventions and consistent style.
proofread
To read a nearly final text slowly to catch any last mistakes.
spell checker
A word-processing tool that flags words it doesn't recognize.
grammar checker
A word-processing tool that flags possible grammar, punctuation and style problems.
run-on sentence
Two or more sentences joined without correct punctuation or a joining word.
subject-verb agreement
Making the verb match the subject: the dog barks, the dogs bark.
automaticity
Doing something so smoothly that you don't have to think about each step, like typing without looking.