Merge pull request #47479 from kohbis/patch-1

Fix tiny typo on deprecation-policy.md

Author: k8s-ci-robot

content/en/docs/reference/using-api/deprecation-policy.md

@@ -480,7 +480,7 @@ registration. Like their stable undeprecated counterparts, deprecated metrics wi
 be automatically registered to the metrics endpoint and therefore visible.
 
 On a subsequent release (when the metric's `deprecatedVersion` is equal to
-_current_kubernetes_version - 3_)), a deprecated metric will become a _hidden_ metric.
+_current_kubernetes_version - 3_), a deprecated metric will become a _hidden_ metric.
 **_Unlike_** their deprecated counterparts, hidden metrics will _no longer_ be
 automatically registered to the metrics endpoint (hence hidden). However, they
 can be explicitly enabled through a command line flag on the binary