diff --git a/core/resources/l10n/messages.properties b/core/resources/l10n/messages.properties
index fb8cf3d99..1d70c562b 100644
--- a/core/resources/l10n/messages.properties
+++ b/core/resources/l10n/messages.properties
@@ -721,7 +721,7 @@ SimulationPlotPanel.error.noPlotSelected = Please add one or more variables to p
 SimulationPlotPanel.error.noPlotSelected.title = Nothing to plot
 simplotpanel.MarkerStyle.lbl.MarkerStyle = Marker style:
 simplotpanel.MarkerStyle.lbl.MarkerStyle.ttip = Style of the flight event marker (how it's drawn in the simulation plot)
-simplotpanel.MarkerStyle.btn.VerticalMarker = Vertical marker
+simplotpanel.MarkerStyle.btn.VerticalMarker = Vertical line
 simplotpanel.MarkerStyle.btn.Icon = Icon
 simplotpanel.MarkerStyle.OnlyInTime = Only available for time domain, other domains only support icon markers
 
diff --git a/swing/src/net/sf/openrocket/gui/plot/SimulationPlot.java b/swing/src/net/sf/openrocket/gui/plot/SimulationPlot.java
index 951b75d6c..57f45c09c 100644
--- a/swing/src/net/sf/openrocket/gui/plot/SimulationPlot.java
+++ b/swing/src/net/sf/openrocket/gui/plot/SimulationPlot.java
@@ -421,7 +421,7 @@ public class SimulationPlot {
 		// Plot the markers
 		if (config.getDomainAxisType() == FlightDataType.TYPE_TIME && !preferences.getBoolean(Preferences.MARKER_STYLE_ICON, false)) {
 			fillEventLists(branch, eventTimes, eventLabels, eventColors, eventImages);
-			plotVerticalMarkers(plot, eventTimes, eventLabels, eventColors);
+			plotVerticalLineMarkers(plot, eventTimes, eventLabels, eventColors);
 
 		} else {	// Other domains are plotted as image annotations
 			if (branch == -1) {
@@ -490,10 +490,10 @@ public class SimulationPlot {
 		}
 	}
 
-	private static void plotVerticalMarkers(XYPlot plot, List<Double> eventTimes, List<String> eventLabels, List<Color> eventColors) {
+	private static void plotVerticalLineMarkers(XYPlot plot, List<Double> eventTimes, List<String> eventLabels, List<Color> eventColors) {
 		double markerWidth = 0.01 * plot.getDomainAxis().getUpperBound();
 
-		// Domain time is plotted as vertical markers
+		// Domain time is plotted as vertical lines
 		for (int i = 0; i < eventTimes.size(); i++) {
 			double t = eventTimes.get(i);
 			String event = eventLabels.get(i);