fixes typo

Author: DhritiShikhar

content/zh-cn/docs/concepts/cluster-administration/flow-control.md

@@ -125,7 +125,7 @@ API Priority and Fairness feature.
 ## Recursive server scenarios
 
 API Priority and Fairness must be used carefully in recursive server
-scenarios. These are sccenarios in which some server A, while serving
+scenarios. These are scenarios in which some server A, while serving
 a request, issues a subsidiary request to some server B. Perhaps
 server B might even make a further subsidiary call back to server
 A. In situations where Priority and Fairness control is applied to