diff --git a/cn/docs/tutorials/stateful-application/zookeeper.md b/cn/docs/tutorials/stateful-application/zookeeper.md
index 864ee0f7f8..b227fd7854 100644
--- a/cn/docs/tutorials/stateful-application/zookeeper.md
+++ b/cn/docs/tutorials/stateful-application/zookeeper.md
@@ -204,7 +204,7 @@ maxClientCnxns=60
 minSessionTimeout= 4000
 maxSessionTimeout= 40000
 autopurge.snapRetainCount=3
-autopurge.purgeInteval=0
+autopurge.purgeInterval=0
 server.1=zk-0.zk-headless.default.svc.cluster.local:2888:3888
 server.2=zk-1.zk-headless.default.svc.cluster.local:2888:3888
 server.3=zk-2.zk-headless.default.svc.cluster.local:2888:3888
diff --git a/docs/tutorials/stateful-application/zookeeper.md b/docs/tutorials/stateful-application/zookeeper.md
index 62f4f81563..8b228155af 100644
--- a/docs/tutorials/stateful-application/zookeeper.md
+++ b/docs/tutorials/stateful-application/zookeeper.md
@@ -235,7 +235,7 @@ maxClientCnxns=60
 minSessionTimeout= 4000
 maxSessionTimeout= 40000
 autopurge.snapRetainCount=3
-autopurge.purgeInteval=0
+autopurge.purgeInterval=0
 server.1=zk-0.zk-headless.default.svc.cluster.local:2888:3888
 server.2=zk-1.zk-headless.default.svc.cluster.local:2888:3888
 server.3=zk-2.zk-headless.default.svc.cluster.local:2888:3888