"To change the ending" means altering or modifying the outcome or result of a situation or story. It suggests making adjustments or taking actions to create a different, hopefully more favorable, conclusion.
Sentences with «to change the ending»
There's also a big decision that will drastically change the ending of the game, so there's a lot of choice available for players. (switchera.net)
If you're not down with using banana chip meal, just leave it out — it won't change the end result all that much. (ohladycakes.com)
This seems to be how any discussion about climate change ends up. (climate-resistance.org)