create-modify-element - clarify .append() doc

docs/create-modify-element.mdx

@@ -134,15 +134,15 @@ eleDiv.appendChild(eleH1)
   </Admonition>
 
   <Admonition type="note" title="`.append()`">
-  There is a newer api called `.append()`, which is similar.
+  There is a newer api called .append(), which is similar.
 
-  ⭐️ `.append()` allows multiple child elements or string as argument. It creates Text node automatically if the input is a string.  
+  ⭐️ .append() allows you to insert multiple child elements in a single call. It also allows string as input, which gets converted to Text node.  
 
   ```js
   ele1.append(ele2, ele3, 'hello world')
   ```
 
-  💔 `.appendChild()` only allows a single element as input.
+  💔 .appendChild() only allows inseting a single element at a time.
   </Admonition>
 </Accordion>