Index: /trunk/BNC/bncwindow.cpp
===================================================================
--- /trunk/BNC/bncwindow.cpp	(revision 4236)
+++ /trunk/BNC/bncwindow.cpp	(revision 4237)
@@ -1284,5 +1284,5 @@
   delUploadRowButton->setWhatsThis(tr("Hit 'Del Row' button to delete the highlighted line from the stream upload table."));
   _uploadIntrComboBox->setWhatsThis(tr("Select the length of the SP3 and Clock RINEX files."));
-  _uploadSamplRtcmEphCorrSpinBox->setWhatsThis(tr("Select the stream's orbit correction sampling interval in seconds. A value of zero '0' tells BNC to upload all available samples."));
+  _uploadSamplRtcmEphCorrSpinBox->setWhatsThis(tr("Select the stream's orbit correction sampling interval in seconds. A value of zero '0' tells BNC to upload all available orbit and clock correction samples together in combined messages."));
   _uploadSamplClkRnxSpinBox->setWhatsThis(tr("Select the Clock RINEX file sampling interval in seconds. A value of zero '0' tells BNC to store all available samples into Clock RINEX files."));
   _uploadSamplSp3SpinBox->setWhatsThis(tr("Select the SP3 orbit file sampling interval in minutes. A value of zero '0' tells BNC to store all available samples into SP3 orbit files."));