Wrong punctuation mark

One of 95 rules YabLab tracks in English writing.

A typical slip

It was raining, we stayed inside all day.

It was raining. We stayed inside all day.

What YabLab does with this mistake

  1. Catches it right as you write — comments, email, docs.
  2. Explains the why in your language, not just the fix.
  3. Helps you practice it until it is gone for good.