Fix typo in ServiceDiscoveryRecipe

### What changes are proposed in this pull request?
Fixed a typo

### Why are the changes needed?

### Does this PR introduce any user facing changes?
No

			pr-link: Alluxio#18191
			change-id: cid-67a503376ed89395ebccd674644394e5bc02522b

dora/core/common/src/main/java/alluxio/membership/ServiceDiscoveryRecipe.java

@@ -81,7 +81,7 @@ public ServiceDiscoveryRecipe(AlluxioEtcdClient client, String pathPrefix) {
    * given DefaultServiceEntity in atomic fashion.
    * Atomicity:
    * creation of given DefaultServiceEntity entry on etcd is handled by etcd transaction
-   * iff the version = 0 which means when there's no such key present.
+   * if the version = 0 which means when there's no such key present.
    * (expired lease will automatically delete the kv attached with it on etcd)
    * update of the DefaultServiceEntity fields(lease,revision num) is guarded by
    * lock within DefaultServiceEntity instance.