diff --git a/docs/sources/configuration/index.md b/docs/sources/configuration/index.md
index c96c3ec..a75be97 100644
--- a/docs/sources/configuration/index.md
+++ b/docs/sources/configuration/index.md
@@ -62,6 +62,7 @@ Read [how to configure](./sql_datasource) SQL data source in Grafana.
 
 - **Enable**: enable Direct DB Connection.
 - **Data Source**: Select Data Source for Zabbix history database.
+- **Retention Policy** (InfluxDB only): Specify retention policy name for fetching long-term stored data. Grafana will fetch data from this retention policy if query time range suitable for trends query. Leave it blank if only default retention policy used.
 
 #### Supported databases
 
diff --git a/docs/sources/configuration/provisioning.md b/docs/sources/configuration/provisioning.md
index 7bfa1a2..582bf35 100644
--- a/docs/sources/configuration/provisioning.md
+++ b/docs/sources/configuration/provisioning.md
@@ -34,8 +34,11 @@ datasources:
     disableReadOnlyUsersAck: true
     # Direct DB Connection options
     dbConnectionEnable: true
-    # Name of existing SQL datasource
+    # Name of existing datasource for Direct DB Connection
     dbConnectionDatasourceName: MySQL Zabbix
+    # Retention policy name (InfluxDB only) for fetching long-term stored data.
+    # Leave it blank if only default retention policy used.
+    dbConnectionRetentionPolicy: one_year
   version: 1
   editable: false
 
diff --git a/src/datasource-zabbix/partials/config.html b/src/datasource-zabbix/partials/config.html
index f9920f1..1e9f682 100644
--- a/src/datasource-zabbix/partials/config.html
+++ b/src/datasource-zabbix/partials/config.html
@@ -115,7 +115,7 @@
         Retention Policy
         <info-popover mode="right-normal">
           Specify retention policy name for fetching long-term stored data (optional).
-          Leave it blank if only default retention policy is using.
+          Leave it blank if only default retention policy used.
         </info-popover>
       </span>
       <input class="gf-form-input max-width-16"