improve wording

doc/index.html

@@ -53,10 +53,10 @@ of these settings to take effect.</p>
 <dt>Foreground Service</dt>
 <dd>Run the SimpleSSHD service as an Android "foreground service." This
 means a notification will be displayed for the service (you might be able
-to block the notification by holding down on the notification).
-On newer versions of Android (Marshmallow and Nougat), this will also
-make SimpleSSHD much more responsive if the phone has been in and out of
-Doze mode.  It does not seem to increase battery consumption much.</dd>
+to block the notification by long tapping the notification).
+On newer versions of Android (since Marshmallow), this may also make
+SimpleSSHD more responsive if the phone has been in Doze mode.  It does
+not seem to increase battery consumption much.</dd>
 
 <dt>Port Number</dt>
 <dd>This is the port number that SimpleSSHD will listen on.  It must be