diff --git a/goblins/scribblings/api.scrbl b/goblins/scribblings/api.scrbl
index 96fdcc9..1f7892c 100644
--- a/goblins/scribblings/api.scrbl
+++ b/goblins/scribblings/api.scrbl
@@ -353,7 +353,7 @@ basically a top-level invocation; the core operation for that is
 @racket[actormap-turn].
 This can be thought of as like a top-level invocation of a procedure at
 a REPL: the procedure called may create other objects, instantiate and
-call other procedures, etc, but (unless some portion of computation
+call other procedures, etc., but (unless some portion of computation
 goes into an infinite loop) will eventually return to the REPL with
 some value.
 Actormap turns are similar; actors may do