Index: /trunk/BNC/src/bncwindow.cpp
===================================================================
--- /trunk/BNC/src/bncwindow.cpp	(revision 6667)
+++ /trunk/BNC/src/bncwindow.cpp	(revision 6668)
@@ -891,5 +891,5 @@
   pppLayout2sub->addWidget(_pppWidgets._addStaButton);
   pppLayout2sub->addWidget(_pppWidgets._delStaButton);
-  pppLayout2sub->addStretch(99);
+  pppLayout2sub->addStretch(99); // weber
  
   pppLayout2->addLayout(pppLayout2sub);
@@ -1009,7 +1009,8 @@
 
   _reqcPlotDirLineEdit = new QLineEdit(settings.value("reqcPlotDir").toString());
-  _reqcPlotDirLineEdit->setWhatsThis(tr("Specify the directory name for saving plots."));
+  _reqcPlotDirLineEdit->setWhatsThis(tr("Specify the directory name for saving plots in PNG format."));
 
   _reqcSkyPlotSignals = new QLineEdit(settings.value("reqcSkyPlotSignals").toString());
+  _reqcSkyPlotSignals->setWhatsThis(tr("<p>G:1&2 R:1&2 J:1&2 E:1&7 C:1&6</p><p>G:1C&5X</p><p>C:6I&7I</p>"));
   connect(_reqcSkyPlotSignals, SIGNAL(textChanged(const QString &)), 
           this, SLOT(slotBncTextChanged()));