I always struggle to decide if I should spell it travelled or traveled, cancelled or canceled. Grammar guides are no help, because they just say "keep your audience in mind" as if I should know what percentage of each preference reads my tweets. But out of curioisity...
Here's a run-through of the two versions but don't read until you've voted ;)
merriam-webster.com/words-at-play/…
And damn that spelling mistake in my original tweet. 😅