diff --git a/types/chart.js/chart.js-tests.ts b/types/chart.js/chart.js-tests.ts
index 3a1c3eb4a6..8400fb5db7 100644
--- a/types/chart.js/chart.js-tests.ts
+++ b/types/chart.js/chart.js-tests.ts
@@ -68,9 +68,9 @@ if (chart.chartArea) {
 
 // http://www.chartjs.org/docs/latest/configuration/tooltip.html#position-modes
 Chart.Tooltip.positioners.custom = function(elements: any, eventPosition: any) {
-    var tooltip = this;
+    const tooltip = this;
     return {
         x: 0,
         y: 0
     };
-}
\ No newline at end of file
+};
diff --git a/types/chart.js/index.d.ts b/types/chart.js/index.d.ts
index a637c15cac..a2d22dbd67 100644
--- a/types/chart.js/index.d.ts
+++ b/types/chart.js/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for Chart.js 2.7.1
+// Type definitions for Chart.js 2.7
 // Project: https://github.com/nnnick/Chart.js
 // Definitions by: Alberto Nuti <https://github.com/anuti>
 //                 Fabien Lavocat <https://github.com/FabienLavocat>