Fix small typos

subjects/sortable/README.md

@@ -13,15 +13,15 @@ You must write all of the code from scratch. You are not allowed to rely on any
 
 #### Fetching the data
 In order to get the information, you should use `fetch`.
-When you use `fetch` in JS, it always returns a `Promise`. We will look more deeply into that later on. For now, tak a look at this:
+When you use `fetch` in JS, it always returns a `Promise`. We will look more deeply into that later on. For now, take a look at this:
 
 ```js
 // This function is called only after the data has been fetched, and parsed.
 const loadData = heroes => {
   console.log(heroes)
 }
 
-// Request the file with fetch, the data will downloaded to your browser cache.
+// Request the file with fetch, and the data will be downloaded to your browser cache.
 fetch('https://rawcdn.githack.com/akabab/superhero-api/0.2.0/api/all.json')
   .then((response) => response.json()) // parse the response from JSON
   .then(loadData) // .then will call the `loadData` function with the JSON value.