Default Autocorrect not capitalizing Wednesday or Friday

I recently ran into a very strange problem where my autocorrect thinks it should learn from every single thing I do. Wednesday and Friday do not auto capitalize unless I spell it wrong, and the rest of the days of the week capitalize just fine. My guess is I typed Wednesday with a space after it, realized I needed punctuation and hit backspace, and then the autocorrection undid itself, teaching Android that I don't like to capitalize that particular day of the week. I tried adding "Wednesday" to my personal dictionary with the shortcut "wednesday", but that didn't do anything. Does anyone know how to edit all of this hidden personal dictionary crap? I find it odd that there would be an accessible personal dictionary that doesn't do anything working together with non accessible personal dictionary that actually functions.