diff --git a/types/highcharts/highstock.d.ts b/types/highcharts/highstock.d.ts
index 64c3041d49..4541e5d715 100644
--- a/types/highcharts/highstock.d.ts
+++ b/types/highcharts/highstock.d.ts
@@ -30,10 +30,10 @@ declare namespace Highstock {
     }
 
     interface RangeSelectorButton {
-    type: string; // Defines the timespan, can be one of 'millisecond', 'second', 'minute', 'day', 'week', 'month', 'ytd' (year to date), 'year' and 'all'.
-    count?: number;
-    text: string;
-    dataGrouping?: any; // not sure how this works
+        type: string; // Defines the timespan, can be one of 'millisecond', 'second', 'minute', 'day', 'week', 'month', 'ytd' (year to date), 'year' and 'all'.
+        count?: number;
+        text: string;
+        dataGrouping?: any; // not sure how this works
     }
 
     interface RangeSelectorOptions {
@@ -61,24 +61,24 @@ declare namespace Highstock {
     }
 
     interface ScrollbarOptions {
-    barBackgroundColor?: string;
-    barBorderColor?: string;
-    barBorderRadius?: number;
-    barBorderWidth?: number;
-    buttonArrowColor?: string;
-    buttonBackgroundColor?: string;
-    buttonBorderColor?: string;
-    buttonBorderRadius?: number;
-    buttonBorderWidth?: number;
-    enabled?: boolean;
-    height?: number;
-    liveRedraw?: boolean;
-    minWidth?: number;
-    rifleColor?: string;
-    trackBackgroundColor?: string;
-    trackBorderColor?: string;
-    trackBorderRadius?: number;
-    trackBorderWidth?: number;
+        barBackgroundColor?: string;
+        barBorderColor?: string;
+        barBorderRadius?: number;
+        barBorderWidth?: number;
+        buttonArrowColor?: string;
+        buttonBackgroundColor?: string;
+        buttonBorderColor?: string;
+        buttonBorderRadius?: number;
+        buttonBorderWidth?: number;
+        enabled?: boolean;
+        height?: number;
+        liveRedraw?: boolean;
+        minWidth?: number;
+        rifleColor?: string;
+        trackBackgroundColor?: string;
+        trackBorderColor?: string;
+        trackBorderRadius?: number;
+        trackBorderWidth?: number;
     }
 
     interface Options extends Highcharts.Options {