@vindex outline-minor-mode-use-buttons
If @code{outline-minor-mode-use-buttons} is non-@code{nil}, Outline
-minor mode will use buttons at the start of the heading lines in
-addition to ellipsis to show that a section is hidden. Then clicking
-on the button with a mouse will toggle displaying the section. If its
-value is @code{insert}, the buttons are inserted directly to the
-buffer, so @kbd{RET} will toggle displaying the section. If the value
-is @code{in-margins}, Outline minor mode will use the window margins
-to show that a section is hidden.
+minor mode will use buttons at the beginning of the heading lines, in
+addition to ellipsis, to show that a section is hidden. Clicking the
+mouse on the button toggles display of the section. If the value of
+this variable is @code{insert}, the buttons are inserted directly into
+the buffer text, so @key{RET} on the button will also toggle display
+of the section, like a mouse click does. If the value is
+@code{in-margins}, Outline minor mode will use the window margins to
+indicate that a section is hidden.
@vindex outline-minor-mode-cycle
If the @code{outline-minor-mode-cycle} user option is