For me, it's become like second nature. I always keep it in mind and remind myself to think about it, then eventually it became natural for me. That being said, I do find myself still doing it from time to time, but it's not to the degree where it's problematic.

I think in general, it's really just thinking about what you're going to say before saying it.

I used to do this all the time. I love being right, and I still do, but I used to always correct people. When I was younger, one day my friend called me out on it. Said that I always put him down. That stuck with me. Since then, I always think twice about whether or not it's worth correcting someone, especially if it's harmless for them to continue believing the wrong thing and they were excited about it.