Using speech to text features can be a great boom to some storytellers or bloggers, especially if you can say it far faster than you can type it. However, be aware that proofreading the result is essential. If you don’t, you may find various unsavory mistakes, such as heroine reduced to heroin as well as various other nasties due to the profusion of homonyms in the English language.
This, of course, requires that you be familiar with them yourself so you recognize when the wrong one is used. One of the most popular ones I’ve seen misused, even from experienced writers, is shutter (noun, outdoor window protection devices) instead of shudder (verb, to quake or quiver).