fix my typos (#579)

Author: acinader

_includes/cloudcode/cloud-code.md

@@ -247,7 +247,7 @@ You can use an `afterSave` handler to perform lengthy operations after sending a
 
 ## Using Request Context
 
-State can be passed from a `beforeSave` handler to an `afterSave` handler in the Reqeuest Context.  The following example sends emails to users who are being added to a [Parse.Role's users relation](https://parseplatform.org/Parse-SDK-JS/api/2.1.0/Parse.Role.html#getUsers) asynchronously, so the client receives a response before the emails complete sending:
+State can be passed from a `beforeSave` handler to an `afterSave` handler in the Request Context.  The following example sends emails to users who are being added to a [Parse.Role's users relation](https://parseplatform.org/Parse-SDK-JS/api/2.1.0/Parse.Role.html#getUsers) asynchronously, so the client receives a response before the emails complete sending:
 
 ```javascript
 const beforeSave = function beforeSave(request) {
@@ -263,7 +263,7 @@ const beforeSave = function beforeSave(request) {
 const afterSave = function afterSave(request) {
   const { object: role, context } = request;
   if (context && context.buyers) {
-    const pruchasedItem = getItemFromRole(role);
+    const purchasedItem = getItemFromRole(role);
     const promises = context.buyers.map(emailBuyer.bind(null, purchasedItem));
     item.increment('orderCount', context.buyers.length);
     promises.push(item.save(null, { useMasterKey: true }));