eg(british) -> e.g.(american)

goblins/scribblings/api.scrbl

@@ -67,7 +67,7 @@ Goblins' extensions to these ideas are:
   @item{@emph{Both} synchronous and asynchronous calls are defined and
         supported, between @racket[$] and @racket[<-] respectively.
         However, @racket[$] is both convenient and important for systems
-        that much be transactionally atomic (eg
+        that must be transactionally atomic (e.g.
         @link["http://erights.org/elib/capability/ode/ode-capabilities.html"]{implementing money}),
         it is limited to objects that are within the same @tech{vat}.
         @racket[<-] is more universal in that any actor on any @tech{vat}