explain.rb in elasticsearch-api-8.1.0

- old
+ new

@@ -35,19 +35,20 @@
       # @option arguments [List] :_source_excludes A list of fields to exclude from the returned _source field
       # @option arguments [List] :_source_includes A list of fields to extract and return from the _source field
       # @option arguments [Hash] :headers Custom HTTP headers
       # @option arguments [Hash] :body The query definition using the Query DSL
       #
-      # @see https://www.elastic.co/guide/en/elasticsearch/reference/master/search-explain.html
+      # @see https://www.elastic.co/guide/en/elasticsearch/reference/8.1/search-explain.html
       #
       def explain(arguments = {})
         raise ArgumentError, "Required argument 'index' missing" unless arguments[:index]
         raise ArgumentError, "Required argument 'id' missing" unless arguments[:id]
 
-        arguments = arguments.clone
         headers = arguments.delete(:headers) || {}
 
         body = arguments.delete(:body)
+
+        arguments = arguments.clone
 
         _id = arguments.delete(:id)
 
         _index = arguments.delete(:index)
 