Index: /trunk/BNC/src/bncwindow.cpp
===================================================================
--- /trunk/BNC/src/bncwindow.cpp	(revision 5299)
+++ /trunk/BNC/src/bncwindow.cpp	(revision 5300)
@@ -1447,8 +1447,8 @@
   _pppGalileoCheckBox->setWhatsThis(tr("<p>By default BNC does not use Galileo observations in PPP mode.</p><p>Tick 'Use Galileo' for adding Galileo observations to GPS and GLONASS (optional) in a PPP solution.</p>"));
   _pppPlotCoordinates->setWhatsThis(tr("<p>BNC will plot PPP results in the 'PPP Plot' tab as North (red), East (green) and Up (blue) displacements when this option is selected. Values will be either referred to an XYZ reference coordinate (if specified) or referred to the first estimated coordinate. The sliding PPP time series window will cover the period of the latest 5 minutes.</p><p>Note that a PPP time series makes only sense for a stationary operated receiver."));
-  _mapWinButton->setWhatsThis(tr("<p>You make like to track your rover position using Google Maps or Open Street Map as a background map. Track plots can be produced with BNC in 'Realtime-PPP', 'Realtime-SPP' and 'Post-Processing' mode.</p><p>The 'Open Track Map' button opens a windows showing a map according to specified options.</p><p>When in 'Post-Processing' mode you should not forget to specify a proxy under the 'Network' tab if that is operated in front of BNC."));
+  _mapWinButton->setWhatsThis(tr("<p>You make like to track your rover position using Google Maps or Open Street Map as a background map. Track plots can be produced with BNC in 'Realtime-PPP', 'Realtime-SPP' and 'Post-Processing' mode.</p><p>The 'Open Map' button opens a windows showing a map according to specified options.</p><p>When in 'Post-Processing' mode you should not forget to specify a proxy under the 'Network' tab if that is operated in front of BNC."));
   _gmRadioButton->setWhatsThis(tr("<p>Specify Google Maps as the background for your rover positions."));
   _osmRadioButton->setWhatsThis(tr("<p>Specify Open Street Map as the background for your rover positions."));
-  _mapWinDotSizeLineEdit->setWhatsThis(tr("<p>Specify the size of dots in pixels showing the rover positions. </p><p>A dot size of '3' may be appropriate. An empty option field or size of '0' would mean that you don't want BNC to show the rover track.</p>"));
+  _mapWinDotSizeLineEdit->setWhatsThis(tr("<p>Specify the size of dots showing the rover positions.</p><p>A dot size of '3' may be appropriate. The maximum possible dot size is '10'. An empty option field or a size of '0' would mean that you don't want BNC to show the rover's track on the map.</p>"));
   _mapSpeedSlider->setWhatsThis(tr("<p>With BNC in PPP post-processing mode you can specify the speed of computations as appropriate for visualization. Note that you can adjust 'Speed' on-the-fly while BNC is already processing your observations."));
   _pppNMEALineEdit->setWhatsThis(tr("<p>Specify the full path to a file where PPP results are saved as NMEA messages.</p>"));