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new c36ffb0 Update backend-storage docs (#1861)
c36ffb0 is described below
commit c36ffb015f8b102e4a5542ed48236e0c20a76a19
Author: Lemon <[email protected]>
AuthorDate: Thu Nov 1 20:01:32 2018 +0800
Update backend-storage docs (#1861)
---
docs/en/setup/backend/backend-storage.md | 2 ++
1 file changed, 2 insertions(+)
diff --git a/docs/en/setup/backend/backend-storage.md
b/docs/en/setup/backend/backend-storage.md
index e75aa9e..e7de556 100644
--- a/docs/en/setup/backend/backend-storage.md
+++ b/docs/en/setup/backend/backend-storage.md
@@ -22,6 +22,8 @@ storage:
## ElasticSearch 6
Active ElasticSearch 6 as storage, set storage provider to **elasticsearch**.
+> Required ElasticSearch 6.3.0 or higher.
+
Setting fragment example
```yaml
storage:
