element-child-content - In notes, add space between code signature and desc

docs/element-child-content.mdx

@@ -119,6 +119,7 @@ This property is also available on `Document` and `DocumentFragment`.
 :::note Counting number of child elements
 
 `Element.childElementCount: number`  
+
 It returns the **number of child elements** of the given element. This is equivalent to `ele.children.length` value.
 
 :::
@@ -155,6 +156,7 @@ This property is available on all types of `Node` - like Element, text node, etc
 :::note Check if there is any child node
 
 `Node.hasChildNodes() : boolean`  
+
 This method checks whether the given node **has child nodes or not** and returns a boolean value. This is equivalent to checking `node.childNodes.length > 0`.
 
 :::