diff --git a/pkgs/racket-doc/scribblings/reference/places.scrbl b/pkgs/racket-doc/scribblings/reference/places.scrbl
index 8e8f056cd5..659d176658 100644
--- a/pkgs/racket-doc/scribblings/reference/places.scrbl
+++ b/pkgs/racket-doc/scribblings/reference/places.scrbl
@@ -372,11 +372,11 @@ messages:
  @item{@tech{pairs}, @tech{lists}, @tech{vectors}, and immutable
        @tech{prefab} structures containing message-allowed values,
        where a mutable vector is automatically replaced by an
-       immutable vector and where @tech{impersonators} or vectors and
+       immutable vector and where @tech{impersonators} of vectors and
        @tech{prefab} structures are copied;}
 
  @item{@tech{hash tables} where mutable hash tables are automatically
-       replaced by immutable variants, and where an
+       replaced by immutable variants, and where a
        hash table @tech{impersonator} is copied;}
 
  @item{@tech{place channels}, where a @tech{place descriptor} is