--- a/mainwindow.cc	Sun Jan 29 01:51:02 2012 +0100
+++ b/mainwindow.cc	Sun Jan 29 10:41:36 2012 +0100
@@ -16,7 +16,7 @@
     ui_->tabs->setCurrentIndex(0);	// avoid changes done in the designer!
 
     // prepare the Qwt tab
-    plot_->setAxisTitle(plot_->yLeft, tr("Altitude"));
+    plot_->setAxisTitle(plot_->yLeft, tr("Altitude (m)", "axis"));
     plot_->setAxisTitle(plot_->xBottom, tr("Time"));
 
     ui_->qwt->setLayout(new QGridLayout);