I made a mistake at the Y/N question part, "have you ever received any weapons trainig, paramilitary training, or other type of military-type training". I thought that it is related only on military/army type of training so I answered NO.
I am a CPL(concealed pistol licence) holder, and while reviewing aplication before the interview I was concerned that I made a mistake. At the interview, before officer started that part, I was asked did anything changed. I told officer there is a question that I was not completely sure did I answer right, explained to her everything and she said that it happens and it is completely ok. She changed the answer to yes, added a comment that is CPL training and at the end of the interview I was just asked to confirm and singn the change on tablet.
So don't worry, it is not a big deal, just be honest to the officer and explain before the review of the application starts.