Making "note" usage consistent

goblins/scribblings/api.scrbl

@@ -189,7 +189,7 @@ argument passed to its @racket[bcom], or void if not provided.)
 Exceptions raised by @racket[actor-refr]'s invocation will be
 propagated and can be captured.
 
-Note that escape continuations can be set up between a caller of
+@bold{NOTE:} that escape continuations can be set up between a caller of
 @racket[$] and can be used by the callee.  However, a 
 @tech[#:doc '(lib "scribblings/reference/reference.scrbl")]{continuation barrier}
 is installed and so capturing of the continuation is not possible.
@@ -487,7 +487,7 @@ It is unlikely you will need this procedure, since @racket[actormap-turn],
 Recursively merges this and any parent @tech{transactormap}s until it reaches
 the root @tech{whactormap}.
 
-Note that creating two forking timelines of transactormaps upon a
+@bold{NOTE:} that creating two forking timelines of transactormaps upon a
 whactormap and merging them may corrupt your whactormap.}
 
 @defproc[(transactormap-merged? [transactormap transactormap?]) boolean?]{