Fix a typo in a tutorial.
MODIFY
tutorials/contour/index.pug
tutorials/contour/index.pug
@@ -17,7 +17,7 @@ block mainTutorial
:markdown-it
Then load some data.
The data is grid data describing geospatial point elevation, a record of z value -9999 means there is no land data.
- Since the data is relatively big, intead of adding inline data, we load asynchronously, and use [promise chain](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises) to chain up the following steps.
+ Since the data is relatively big, instead of adding inline data, we load asynchronously, and use [promise chain](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises) to chain up the following steps.
+codeblock('javascript', 2, 1).
var promise = Promise.resolve($.ajax({
url: '../../data/oahu.json'

Fix a typo in a tutorial.