@@ -79,9 +79,11 @@ type has a name, called a
7979*[stem](https://urbit.org/docs/about/glossary#stem)*. Finally,
8080each stem has its own structure, e.g.:
8181
82−> :-
83−> (add 12 13)
84−> (sub 10 7)
82+```
83+ :-
84+ (add 12 13)
85+ (sub 10 7)
86+```
8587
8688This twig uses the rune `:-` (stem: `cons`) to produce an ordered
8789pair: `[25 3]`. There are two subexpressions following the `:-`,