revert README

Signed-off-by: Dmitry Ponomaryov <[email protected]>

Author: iamhalje

README.md

@@ -125,7 +125,7 @@ If your URI is prefixed by mongodb:// or mongodb+srv:// schema, any host not pre
 --mongodb.uri=mongodb+srv://user:pass@host1:27017,host2:27017,host3:27017/admin,mongodb://user2:pass2@host4:27018/admin
 ```
 
-You can use the --split-cluster option to split all cluster nodes into separate targets. This mode is useful when cluster nodes are defined as SRV records and the mongodb_exporter is running with mongodb+srv domain specified. In this case SRV records will be queried upon mongodb_exporter start and each cluster node can be queried  using the **target** parameter of multitarget endpoint. 
+You can use the --split-cluster option to split all cluster nodes into separate targets. This mode is useful when cluster nodes are defined as SRV records and the mongodb_exporter is running with mongodb+srv domain specified. In this case SRV records will be queried upon mongodb_exporter start and each cluster node can be queried using the **target** parameter of multitarget endpoint. 
 
 #### Overall targets request endpoint