URLSearchParams does not support nesting

files/en-us/web/api/urlsearchparams/urlsearchparams/index.md

@@ -32,7 +32,7 @@ One of:
   `application/x-www-form-urlencoded` format. A leading `'?'`
   character is ignored.
 - A literal sequence of name-value string pairs, or any object — such as a {{domxref("FormData")}} object — with an [iterator](/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators#iterators) that produces a sequence of string pairs. Note that {{domxref("File")}} entries will be serialized as `[object File]` rather than as their filename (as they would in an `application/x-www-form`-urlencoded form).
-- A record of {{domxref("USVString")}} keys and {{domxref("USVString")}} values.
+- A record of {{domxref("USVString")}} keys and {{domxref("USVString")}} values. Note that nesting is not supported.
 
 ### Return value
 
@@ -41,7 +41,7 @@ A {{domxref("URLSearchParams")}} object instance.
 ## Examples
 
 The following example shows how to create a {{domxref("URLSearchParams")}} object from
-a URL string.
+various inputs.
 
 ```js
 // Retrieve params via url.search, passed into ctor