Fix javadoc errors

Author: Jotschi

src/main/java/io/metaloom/quadtree/QuadTree.java

@@ -34,7 +34,7 @@ public interface QuadTree<T> {
 	 * Add a new element to the QuadTree that has a specific dimension/size
 	 * 
 	 * @param point
-	 * @param size
+	 * @param elementSize
 	 * @param element
 	 * @return true when the element could be inserted
 	 */

src/main/java/io/metaloom/quadtree/point/impl/PointNodeImpl.java

@@ -64,9 +64,9 @@ public Map<Cell, PointNode<T>> getSubNodes() {
 	}
 
 	/**
-	 * Returns the cell of this element
+	 * Returns the cell which matches the coordinates.
 	 * 
-	 * @param element
+	 * @param coordinates
 	 * @return
 	 */
 	protected Cell findIndex(Point coordinates) {

src/main/java/io/metaloom/quadtree/point/impl/PointQuadTreeImpl.java

@@ -20,7 +20,7 @@ public class PointQuadTreeImpl<T> extends AbstractQuadTree<T> implements PointQu
 	/**
 	 * Create a new QuadTree with the give start coordinates and size
 	 * 
-	 * @param startCorrdinates
+	 * @param startCoordinates
 	 * @param size
 	 */
 	public PointQuadTreeImpl(Point startCoordinates, Size size) {