comments
diff --git a/org.eclipse.nebula.widgets.nattable.core/src/org/eclipse/nebula/widgets/nattable/core/layer/impl/viewport/ViewportAxis.xtend b/org.eclipse.nebula.widgets.nattable.core/src/org/eclipse/nebula/widgets/nattable/core/layer/impl/viewport/ViewportAxis.xtend
index f7aea1f..204e1c1 100644
--- a/org.eclipse.nebula.widgets.nattable.core/src/org/eclipse/nebula/widgets/nattable/core/layer/impl/viewport/ViewportAxis.xtend
+++ b/org.eclipse.nebula.widgets.nattable.core/src/org/eclipse/nebula/widgets/nattable/core/layer/impl/viewport/ViewportAxis.xtend
@@ -32,11 +32,18 @@
 	
 	def getUnderlyingAxis() { underlyingAxis }
 	
+	// Min pixel location
+	
 	def setMinPixelLocation(double minPixelLocation) { setMinPixelLocation(new BigDecimal(minPixelLocation)) }
 	def setMinPixelLocation(BigDecimal minPixelLocation) { this.minPixelLocation = minPixelLocation }
+	
+	// Max pixel size
+	
 	def setMaxPixelSize(double maxPixelSize) { setMaxPixelSize(new BigDecimal(maxPixelSize)) }
 	def setMaxPixelSize(BigDecimal maxPixelSize) { this.maxPixelSize = maxPixelSize }
 	
+	// Visible pixel size
+	
 	def getVisiblePixelSize() {
 		val pixelSize =
 			if (visiblePixelSize >= BigDecimal::ZERO) visiblePixelSize