Update README.md

Author: houseonline

README.md

@@ -10,7 +10,7 @@ Switch Languages: <a href="README.md">English Documents</a>  |  <a href="README-
 
 As a leading third-party risk control company in China, Tongdun Technology handles tens of billions of decision-making requests every day. Therefore, in Tongdun's main data storage infrastructure, Redis is widely used as a cache component. During the peak business period, the cluster actually deploys more than a thousand Redis instances, which is bound to bring great challenges to DBA operation and maintenance management and control. In 2018, we promoted the full containerization of stateless applications in the group, and created a cache cloud product that combines cloud-native technology! <br>
 
-The first version of td-redis-operator can be traced back to 2018. The external open source version is the second version. The development time has continued from July 2018 to the present. At present, the Redis clusters of the two centers in Tongdun are all deployed in On the ultra-large Kubernates.<br>
+The first version of td-redis-operator can be traced back to 2018. The external open source version is the second version. The development time has continued from July 2018 to the present. At present, the Redis clusters of the two centers in Tongdun are all deployed in On the ultra-large kubernetes cluster.<br>
 
 Current scale：
 * Redis instance 5000+