Update @return comments

Author: kurkle

src/core/core.interaction.js

@@ -198,7 +198,7 @@ export default {
 		 * @param {Event} e - the event we are find things at
 		 * @param {InteractionOptions} options - options to use
 		 * @param {boolean} [useFinalPosition] - use final element position (animation target)
-		 * @return {InteractionItem[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 * @return {InteractionItem[]} - items that are found
 		 */
 		index: function(chart, e, options, useFinalPosition) {
 			const position = getRelativePosition(e, chart);
@@ -234,7 +234,7 @@ export default {
 		 * @param {Event} e - the event we are find things at
 		 * @param {InteractionOptions} options - options to use
 		 * @param {boolean} [useFinalPosition] - use final element position (animation target)
-		 * @return {InteractionItem[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 * @return {InteractionItem[]} - items that are found
 		 */
 		dataset: function(chart, e, options, useFinalPosition) {
 			const position = getRelativePosition(e, chart);
@@ -263,7 +263,7 @@ export default {
 		 * @param {Event} e - the event we are find things at
 		 * @param {InteractionOptions} options - options to use
 		 * @param {boolean} [useFinalPosition] - use final element position (animation target)
-		 * @return {InteractionItem[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 * @return {InteractionItem[]} - items that are found
 		 */
 		point: function(chart, e, options, useFinalPosition) {
 			const position = getRelativePosition(e, chart);
@@ -278,7 +278,7 @@ export default {
 		 * @param {Event} e - the event we are find things at
 		 * @param {InteractionOptions} options - options to use
 		 * @param {boolean} [useFinalPosition] - use final element position (animation target)
-		 * @return {InteractionItem[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 * @return {InteractionItem[]} - items that are found
 		 */
 		nearest: function(chart, e, options, useFinalPosition) {
 			const position = getRelativePosition(e, chart);
@@ -293,7 +293,7 @@ export default {
 		 * @param {Event} e - the event we are find things at
 		 * @param {InteractionOptions} options - options to use
 		 * @param {boolean} [useFinalPosition] - use final element position (animation target)
-		 * @return {InteractionItem[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 * @return {InteractionItem[]} - items that are found
 		 */
 		x: function(chart, e, options, useFinalPosition) {
 			const position = getRelativePosition(e, chart);
@@ -325,7 +325,7 @@ export default {
 		 * @param {Event} e - the event we are find things at
 		 * @param {InteractionOptions} options - options to use
 		 * @param {boolean} [useFinalPosition] - use final element position (animation target)
-		 * @return {InteractionItem[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 * @return {InteractionItem[]} - items that are found
 		 */
 		y: function(chart, e, options, useFinalPosition) {
 			const position = getRelativePosition(e, chart);