Clarified javadoc.

src/main/java/org/orekit/rugged/linesensor/LineSensor.java

@@ -17,6 +17,7 @@
 package org.orekit.rugged.linesensor;
 
 import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;
+import org.orekit.rugged.los.LOSBuilder;
 import org.orekit.rugged.los.TimeDependentLOS;
 import org.orekit.time.AbsoluteDate;
 
@@ -40,8 +41,9 @@ public class LineSensor {
     /** Simple constructor.
      * @param name name of the sensor
      * @param datationModel datation model
-     * @param position sensor position
-     * @param los pixels lines-of-sight
+     * @param position sensor position in spacecraft frame
+     * @param los pixels lines-of-sight in spacecraft frame
+     * @see LOSBuilder
      */
     public LineSensor(final String name, final LineDatation datationModel,
                       final Vector3D position, final TimeDependentLOS los) {