* doc/emacs/frames.texi (Drag and Drop): Fix markup.
It can be difficult to scroll a window or determine where dropped
text will be inserted while dragging text onto an Emacs window.
-Setting the option @var{dnd-indicate-insertion-point} to a
+Setting the option @code{dnd-indicate-insertion-point} to a
non-@code{nil} value makes point move to the location any dropped text
will be inserted when the mouse moves in a window during drag, and
setting @code{dnd-scroll-margin} to an integer value causes a window