Resolved Notes app bug or hidden shortcut?

[katbel]

It happens on both macOS and iOS , where I posted it as well

 

[circatee]

It seems to be a function in Apple Notes, it does the same for me. What I did was:
a) Example

Then I edited the a, to a number 3...

 

[katbel]

My question has been resolved by

01cowherd here​