Update article.md

ZvezdocheTag · web-flow · commit 17336a06375f · 2017-04-07T19:35:55.000+03:00
diff --git a/11-extra/8-range-textrange-selection/article.md b/11-extra/8-range-textrange-selection/article.md
@@ -269,7 +269,7 @@ HTML:
 ```js no-beautify
 function getSelectionText() {
   var txt = '';
-  if (txt = window.getSelection) // Не IE, используем метод getSelection
+  if (txt = window.getSelection) { // Не IE, используем метод getSelection
     txt = window.getSelection().toString();
   } else { // IE, используем объект selection
     txt = document.selection.createRange().text;
