diff --git a/pkgs/racket-doc/scribblings/style/scribble.scrbl b/pkgs/racket-doc/scribblings/style/scribble.scrbl
index 90417f8f1f..29c554389d 100644
--- a/pkgs/racket-doc/scribblings/style/scribble.scrbl
+++ b/pkgs/racket-doc/scribblings/style/scribble.scrbl
@@ -40,7 +40,7 @@ Use the word ``list'' only when you mean a run-time value consisting
 of the empty list and cons cells; use the word ``sequence'' in other
 cases, if you must use any word. For example, do not write that
 @racket[begin] has a ``list of sub-forms;'' instead, it has a
-``sequence of subforms.'' Similarly, do not refer to a ``list of
+``sequence of sub-forms.'' Similarly, do not refer to a ``list of
 arguments'' in a function call; just write ``arguments'' if possible,
 or write ``sequence of argument expressions.''  (Unfortunately,
 ``@tech[#:doc '(lib
@@ -56,6 +56,8 @@ except that ...,'' instead of abstracting the source and instantiating
 it multiple times; often, a prose abstraction is clearer to the reader
 than a hidden abstraction in the document implementation.
 
+Hyphenate the words ``sub-form'' and ``sub-expression.''
+
 @section{Typesetting Code}
 
 Use @racketidfont{id} or a name that ends @racketidfont{-id} in
@@ -149,6 +151,10 @@ Do not start a sentence with a Racket variable name, since it is
 normally lowercase. For example, use ``The @racket[_thing] argument
 is...'' instead of ``@racket[_thing] is...''
 
+Use @racket[etc] for ``@|etc|'' when it does not end a sentence, and
+include a comma after ``@|etc|'' unless it ends a sentence of is
+followed by other punctuation (such as a parenthesis).
+
 @section{Section Titles}
 
 Capitalize all words except articles (``the,'' ``a,'' etc.),