diff --git a/Documentation/op-guide/clustering.md b/Documentation/op-guide/clustering.md
index e058b7979..efdd3aa26 100644
--- a/Documentation/op-guide/clustering.md
+++ b/Documentation/op-guide/clustering.md
@@ -281,7 +281,7 @@ ETCD_DISCOVERY=https://discovery.etcd.io/3e86b59982e49066c5d813af1c2e2579cbf573d
 --discovery https://discovery.etcd.io/3e86b59982e49066c5d813af1c2e2579cbf573de
 ```
 
-**Each member must have a different name flag specified or else discovery will fail due to duplicated names. `Hostname` or `machine-id` can be a good choice. **
+**Each member must have a different name flag specified or else discovery will fail due to duplicated names. `Hostname` or `machine-id` can be a good choice.**
 
 Now we start etcd with those relevant flags for each member: