Read aloud your draft. Does it make sense the sound of what you are saying? It’s not important to fix the big and small syntax mistakes. You want first to have a piece which is expressing what you want to communicate in an effective way.

After an initial round of revisions, when the writing flows then it’s time to wordsmithing, cherry-picking and finessing.

As somebody said in computer science, premature optimization is the root of all evil.