diff --git a/man/revealjs_presentation.Rd b/man/revealjs_presentation.Rd
index 827370e..3912575 100644
--- a/man/revealjs_presentation.Rd
+++ b/man/revealjs_presentation.Rd
@@ -175,7 +175,14 @@
 :::
 }\if{html}{\out{</div>}}
 
-to create notes only viewable in presentation mode.
+to create notes only viewable in presentation mode. Notes placed before
+the first heading are attached to the title slide.
+
+On mobile browsers (touch devices), a button next to the fullscreen
+toggle overlays the current slide with its speaker notes (plus the slide
+title and, if present, the planned time from a timing comment), which is
+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.
 }
 
 }
@@ -195,7 +202,8 @@
 
 This means Marc Kupietz will need 30 seconds for that slide. For talks
 presented by a single speaker, the speaker code can be omitted:
-\verb{<!-- 00:30 -->}.
+\verb{<!-- 00:30 -->}. Comments placed before the first heading are applied to
+the title slide.
 
 Typically you start from a known total time budget and adjust the
 individual slides to it. You can set this budget yourself with the