java doc fixes to fix the ci build problems

#story[1003]

racevisionGame/src/main/java/shared/dataInput/RegattaDataSource.java

@@ -28,7 +28,7 @@ public interface RegattaDataSource {
 
     /**
      * Returns the name of the course.
-     * @return
+     * @return the name of the course
      */
     String getCourseName();
 

racevisionGame/src/main/java/shared/model/CompoundMark.java

@@ -34,6 +34,8 @@ public class CompoundMark {
 
     /**
      * Constructs a compound mark from a single mark.
+     * @param id the id of the compound mark
+     * @param name name of the compound mark
      * @param mark1 The individual mark that comprises this compound mark.
      */
     public CompoundMark(int id, String name, Mark mark1) {
@@ -47,6 +49,8 @@ public class CompoundMark {
 
     /**
      * Constructs a compound mark from a pair of marks.
+     * @param id the id of the compound mark
+     * @param name name of the compound mark
      * @param mark1 The first individual mark that comprises this compound mark.
      * @param mark2 The second individual mark that comprises this compound mark.
      */