diff --git a/src/modules/heightmap-generator.ts b/src/modules/heightmap-generator.ts
index 75a24618..eb48f9f4 100644
--- a/src/modules/heightmap-generator.ts
+++ b/src/modules/heightmap-generator.ts
@@ -1,6 +1,6 @@
 import Alea from "alea";
 import { range as d3Range, leastIndex, mean } from "d3";
-import { createTypedArray, byId,findGridCell,getNumberInRange,lim,minmax,P,rand } from "../utils";
+import { createTypedArray, byId, findGridCell, getNumberInRange, lim, minmax, P, rand } from "../utils";
 
 declare global {
   interface Window {
@@ -546,7 +546,7 @@ class HeightmapGenerator {
 
   fromPrecreated(graph: any, id: string): Promise<Uint8Array> {
     return new Promise(resolve => {
-      // create canvas where 1px corresponts to a cell
+      // create canvas where 1px corresponds to a cell
       const canvas = document.createElement("canvas");
       const ctx = canvas.getContext("2d") as CanvasRenderingContext2D;
       const {cellsX, cellsY} = graph;
diff --git a/src/utils/graphUtils.ts b/src/utils/graphUtils.ts
index 198a1e99..875445fb 100644
--- a/src/utils/graphUtils.ts
+++ b/src/utils/graphUtils.ts
@@ -139,7 +139,7 @@ export const calculateVoronoi = (points: Point[], boundary: Point[]): {cells: Ce
   const voronoi = new Voronoi(delaunay, allPoints, points.length);
 
   const cells = voronoi.cells;
-  cells.i = createTypedArray({maxValue: points.length, length: points.length}).map((_, i) => i) as Uint32Array<ArrayBufferLike>; // array of indexes
+  cells.i = createTypedArray({maxValue: points.length, length: points.length}).map((_, i) => i) as Uint32Array; // array of indexes
   const vertices = voronoi.vertices;
   TIME && console.timeEnd("calculateVoronoi");