when I enter the theme content and to "checkout & system" where you can edit the text in the checkout for example the buy button text or other stuff around, the thing is that whenever I change the text it does not actually appear in the checkout, I d...

I played with my theme code (trying to fix some thing) and i think i did something work. I cant enter the checkout setting. i tried to find the code source and do things but nothing worked 

Im trting to change the OR in "Checkout alternative payment method banner" and when i press save its save but does not change in the checkout. pls help.