diff --git a/2-ui/1-document/03-dom-navigation/1-dom-children/task.md b/2-ui/1-document/03-dom-navigation/1-dom-children/task.md
index 4a9e741a..d97f2748 100644
--- a/2-ui/1-document/03-dom-navigation/1-dom-children/task.md
+++ b/2-ui/1-document/03-dom-navigation/1-dom-children/task.md
@@ -4,7 +4,7 @@ importance: 5
 
 # DOM children
 
-For the page:
+Look at this page:
 
 ```html
 <html>
@@ -18,7 +18,7 @@ For the page:
 </html>
 ```
 
-How to access:
+For each of the following, give at least one way of how to access them:
 - The `<div>` DOM node?
 - The `<ul>` DOM node?
 - The second `<li>` (with Pete)?
diff --git a/2-ui/1-document/03-dom-navigation/article.md b/2-ui/1-document/03-dom-navigation/article.md
index 80cefd1c..7aa7a1f4 100644
--- a/2-ui/1-document/03-dom-navigation/article.md
+++ b/2-ui/1-document/03-dom-navigation/article.md
@@ -22,7 +22,7 @@ Let's discuss them in more detail.
 The topmost tree nodes are available directly as `document` properties:
 
 `<html>` = `document.documentElement`
-: The topmost document node is `document.documentElement`. That's DOM node of `<html>` tag.
+: The topmost document node is `document.documentElement`. That's the DOM node of the`<html>` tag.
 
 `<body>` = `document.body`
 : Another widely used DOM node is the `<body>` element -- `document.body`.
@@ -239,7 +239,7 @@ alert( document.documentElement.parentNode ); // document
 alert( document.documentElement.parentElement ); // null
 ```
 
-The reason is that root node `document.documentElement` (`<html>`) has `document` as its parent. But `document` is not an element node, so `parentNode` returns it and `parentElement` does not.
+The reason is that the root node `document.documentElement` (`<html>`) has `document` as its parent. But `document` is not an element node, so `parentNode` returns it and `parentElement` does not.
 
 This detail may be useful when we want to travel up from an arbitrary element `elem` to `<html>`, but not to the `document`:
 ```js
@@ -280,7 +280,7 @@ Till now we described the basic navigation properties.
 
 Certain types of DOM elements may provide additional properties, specific to their type, for convenience.
 
-Tables are a great example and important particular case of that.
+Tables are a great example and a particularly important case for that.
 
 **The `<table>`** element supports (in addition to the given above) these properties:
 - `table.rows` -- the collection of `<tr>` elements of the table.
