diff --git a/cn/docs/tutorials/stateful-application/cassandra.md b/cn/docs/tutorials/stateful-application/cassandra.md
index 2489860d18..91bd0d1833 100644
--- a/cn/docs/tutorials/stateful-application/cassandra.md
+++ b/cn/docs/tutorials/stateful-application/cassandra.md
@@ -728,7 +728,7 @@ spec:
               name: jmx
             - containerPort: 9042
               name: cql
-              # If you need it it is going away in C* 4.0
+              # If you need it, it will go away in C* 4.0.
               #- containerPort: 9160
               #  name: thrift
           resources: