From bc8d27737f92d07b95d14d031f73e6a2fdf9cd80 Mon Sep 17 00:00:00 2001
From: Mitsuhiro Tanda <mitsuhiro.tanda@gmail.com>
Date: Fri, 16 Dec 2016 19:31:02 +0900
Subject: [PATCH] fix cloudwatch docs (#6992)

---
 docs/sources/datasources/cloudwatch.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/sources/datasources/cloudwatch.md b/docs/sources/datasources/cloudwatch.md
index 4a25a2b475b..b4ad0b3288e 100644
--- a/docs/sources/datasources/cloudwatch.md
+++ b/docs/sources/datasources/cloudwatch.md
@@ -71,7 +71,7 @@ Name | Description
 ------- | --------
 `regions()` | Returns a list of regions AWS provides their service.
 `namespaces()` | Returns a list of namespaces CloudWatch support.
-`metrics(namespace)` | Returns a list of metrics in the namespace.
+`metrics(namespace, [region])` | Returns a list of metrics in the namespace. (specify region for custom metrics)
 `dimension_keys(namespace)` | Returns a list of dimension keys in the namespace.
 `dimension_values(region, namespace, metric, dimension_key)` | Returns a list of dimension values matching the specified `region`, `namespace`, `metric` and `dimension_key`.
 `ebs_volume_ids(region, instance_id)` | Returns a list of volume id matching the specified `region`, `instance_id`.