From 7844804874d4887cce90697f4863b77f837ddeca Mon Sep 17 00:00:00 2001
From: Robert <robertlyson@gmail.com>
Date: Sat, 20 Feb 2016 12:13:02 +0100
Subject: [PATCH] Update to serial differencing aggregation doc

Hi,

`thirtieth_difference` should use `the_sum` metric as the `buckets_path`.
---
 .../aggregations/pipeline/serial-diff-aggregation.asciidoc      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/reference/aggregations/pipeline/serial-diff-aggregation.asciidoc b/docs/reference/aggregations/pipeline/serial-diff-aggregation.asciidoc
index 17cfea93990..bbcc47d82eb 100644
--- a/docs/reference/aggregations/pipeline/serial-diff-aggregation.asciidoc
+++ b/docs/reference/aggregations/pipeline/serial-diff-aggregation.asciidoc
@@ -76,7 +76,7 @@ A `serial_diff` aggregation looks like this in isolation:
             },
             "thirtieth_difference": {
                "serial_diff": {                <3>
-                  "buckets_path": "lemmings",
+                  "buckets_path": "the_sum",
                   "lag" : 30
                }
             }