diff --git a/collects/scribblings/scribble/base.scrbl b/collects/scribblings/scribble/base.scrbl
index 59586d52..db7f935c 100644
--- a/collects/scribblings/scribble/base.scrbl
+++ b/collects/scribblings/scribble/base.scrbl
@@ -233,7 +233,7 @@ beginning of each line.
 
 The @racket[str]s are @emph{not} decoded with @racket[decode-content],
 so @racket[(verbatim "---")] renders with three hyphens instead of an
-em-dash. Beware, however, that @emph{reading}
+em dash. Beware, however, that @emph{reading}
 @litchar["@"]@racket[verbatim] converts @litchar["@"] syntax
 within the argument, and such reading occurs well before
 arguments to @racket[verbatim] are delivered at run-time. To disable simple
diff --git a/collects/scribblings/scribble/how-to-paper.scrbl b/collects/scribblings/scribble/how-to-paper.scrbl
index 3bd44e62..99d9001a 100644
--- a/collects/scribblings/scribble/how-to-paper.scrbl
+++ b/collects/scribblings/scribble/how-to-paper.scrbl
@@ -101,10 +101,8 @@ Add more text to @filepath{mouse.scrbl} so that it looks like this:
         of the second @racket[section] call, has a single paragraph.
 
 Run the @exec{scribble} command(s) from @secref["first-example"]
-again. You may notice the curly double-quotes in the output; in PDF
-output, the @litchar{---} turned into an em-dash. For HTML, it turned
-into a en-dash with surrounding spaces, which is a typical convention
-for em-dashes in HTML.
+again. You may notice the curly double-quotes in the output, and
+the @litchar{---} turned into an em dash.
 
 @;----------------------------------------
 @section{Splitting the Document Source}
@@ -526,7 +524,7 @@ recognized by @racket[decode].
 
 A different but related @defterm{content decoding} takes place within
 a paragraph or section title. Content decoding is responsible for
-converting @litchar{---} to an em-dash or for converting @litchar{"}
+converting @litchar{---} to an em dash or for converting @litchar{"}
 and @litchar{'} to suitable curly quotes.
 
 The decoding process for document's stream is ultimately determined by
diff --git a/collects/scribblings/scribble/style.scrbl b/collects/scribblings/scribble/style.scrbl
index 169e7353..f3a35551 100644
--- a/collects/scribblings/scribble/style.scrbl
+++ b/collects/scribblings/scribble/style.scrbl
@@ -125,9 +125,8 @@ Refrain from referring to documentation ``above'' or ``below,'' and
 instead have a hyperlink point to the right place.
 
 In prose, use @litchar{``} and @litchar{''} quotation marks instead of
-@litchar{"}. Use @litchar{---} for an em-dash, and do not include
-spaces on either side, though it will typeset as an en-dash and spaces
-in HTML output. Use American style for quotation marks and punctuation
+@litchar{"}. Use @litchar{---} for an em dash, and do not include
+spaces on either side. Use American style for quotation marks and punctuation
 @; [Eli] BTW, I've asked several people about this, and the general
 @;   agreement that I've seen is that this is a rather arbitrary rule
 @;   and there's no harm in doing the more logical thing of putting