Correction marks highlight changes while working on a draft. Lately, strike-through has also become a hip visual style.
To visually record important changes in our text, we can expressively cancel a part of the previous version by marking it
strike-through. The opposite action is to mark a part as later.
Strike-through is applied by surrounding text with two swung dashes on every side like
~~deletion~~. There is no Markdown syntax for an insertion available for Hugo, but you can use the replacement code with the plus sign like
See the second paragraph.
Consider that these markings tend to look unprofessional on a finalized page if it’s not some kind of draft or change log.