diff --git a/R/revealjs_presentation.R b/R/revealjs_presentation.R
index e73ede9..d28fcd8 100644
--- a/R/revealjs_presentation.R
+++ b/R/revealjs_presentation.R
@@ -40,11 +40,13 @@
 #' useful for practicing a talk on a phone or tablet. It follows along as
 #' you change slides and only appears if the deck contains notes at all.
 #' 
-#' Pressing `r` toggles a transcript view: a single scrollable page
-#' containing every slide's content and speaker notes. Text-to-speech
-#' ("read aloud") browser extensions cannot walk a reveal.js deck, since
-#' hidden slides are not part of the visible page text -- the transcript
-#' gives them something they can read from start to finish.
+#' Pressing `r` -- or, on touch devices, tapping the list button next to
+#' the speaker notes button -- toggles a transcript view: a single
+#' scrollable page containing every slide's content and speaker notes.
+#' Text-to-speech ("read aloud") browser extensions cannot walk a
+#' reveal.js deck, since hidden slides are not part of the visible page
+#' text -- the transcript gives them something they can read from start
+#' to finish.
 #' 
 #' ## Slide timing
 #'