minor fixes

Author: Violet-Bora-Lee

1-js/03-code-quality/02-coding-style/article.md

@@ -86,7 +86,7 @@ For example:
 ```js
 // backtick quotes ` allow to split the string into multiple lines
 let str = `
-  Ecma International's TC39 is a group of JavaScript developers,
+  ECMA International's TC39 is a group of JavaScript developers,
   implementers, academics, and more, collaborating with the community
   to maintain and evolve the definition of JavaScript.
 `;

1-js/04-object-basics/03-symbol/article.md

@@ -18,7 +18,7 @@ let id = Symbol();
 
 Upon creation, we can give symbol a description (also called a symbol name), mostly useful for debugging purposes:
 
-```js run
+```js
 // id is a symbol with the description "id"
 let id = Symbol("id");
 ```

1-js/05-data-types/03-string/article.md

@@ -534,7 +534,7 @@ The "right" algorithm to do string comparisons is more complex than it may seem,
 
 So, the browser needs to know the language to compare.
 
-Luckily, all modern browsers (IE10- requires the additional library [Intl.JS](https://github.com/andyearnshaw/Intl.js/)) support the internationalization standard [ECMA 402](http://www.ecma-international.org/ecma-402/1.0/ECMA-402.pdf).
+Luckily, all modern browsers (IE10- requires the additional library [Intl.js](https://github.com/andyearnshaw/Intl.js/)) support the internationalization standard [ECMA-402](http://www.ecma-international.org/ecma-402/1.0/ECMA-402.pdf).
 
 It provides a special method to compare strings in different languages, following their rules.
 

1-js/11-async/07-microtask-queue/article.md

@@ -23,7 +23,7 @@ Why did the `.then` trigger afterwards? What's going on?
 
 ## Microtasks queue
 
-Asynchronous tasks need proper management. For that, the Ecma standard specifies an internal queue `PromiseJobs`, more often referred to as the "microtask queue" (ES8 term).
+Asynchronous tasks need proper management. For that, the ECMA standard specifies an internal queue `PromiseJobs`, more often referred to as the "microtask queue" (ES8 term).
 
 As stated in the [specification](https://tc39.github.io/ecma262/#sec-jobs-and-job-queues):