Update event-loop.md

async-await/event-loop.md

@@ -1,27 +1,29 @@
+# The Event Loop
+
 JavaScript is single-threaded but it can still take advantage of asynchronous
 programming.
 
-The Event Loop is a Javascript construct responsible
-for holding operations to be executed asynchronously with respect to the main
-flow of execution. Whenever we meet a portion of code that may not be 
-possible to execute now, it is put in the Event Loop. Let's look at some
-examples:
+In order to do that, the runtime keeps a structure called The Event Loop which 
+is responsible for holding operations to be executed asynchronously with 
+respect to the main flow of execution. Whenever we meet a portion of code that
+may not be possible to execute now, it is put in the Event Loop. Let's look at
+some examples:
 
-1. 
+1.
 
 ```javascript
-  setTimeout(() => console.log('test'), 1000);
+setTimeout(() => console.log('test'), 1000);
 ```
 `console.log('test')` will be put in the Event Loop.
 
-2. 
+2.
 ```javascript
-  const promise = new Promise(function (resolve, reject) {
-  console.log('test');
-  resolve();
+const promise = new Promise(function (resolve, reject) {
+console.log('test');
+resolve();
 }).then(() => {
-  console.log('test2');
+console.log('test2');
 });
 
 ```
-`console.log('test2')` will be put in the Event Loop. 
+`console.log('test2')` will be put in the Event Loop.