[Docs] Update getting-started.asciidoc (#29294)

Description after first use of search API with body does not refer to verb POST.

Author: nevries

docs/reference/getting-started.asciidoc

@@ -778,7 +778,7 @@ GET /bank/_search
 // CONSOLE
 // TEST[continued]
 
-The difference here is that instead of passing `q=*` in the URI, we POST a JSON-style query request body to the `_search` API. We'll discuss this JSON query in the next section.
+The difference here is that instead of passing `q=*` in the URI, we provide a JSON-style query request body to the `_search` API. We'll discuss this JSON query in the next section.
 
 ////
 Hidden response just so we can assert that it is indeed the same but don't have