[en] fix schema comemnt for health-checks doc

Signed-off-by: Rui Chen <rui@chenrui.dev>

content/en/docs/reference/using-api/health-checks.md

@@ -94,7 +94,7 @@ The output show that the `etcd` check is excluded:
 {{< feature-state state="alpha" >}}
 
 Each individual health check exposes an HTTP endpoint and can be checked individually.
-The schema for the individual health checks is `/livez/<healthcheck-name>` where `livez` and `readyz` and be used to indicate if you want to check the liveness or the readiness of the API server.
+The schema for the individual health checks is `/livez/<healthcheck-name>` or `/readyz/<healthcheck-name>`, where `livez` and `readyz` can be used to indicate if you want to check the liveness or the readiness of the API server, respectively.
 The `<healthcheck-name>` path can be discovered using the `verbose` flag from above and take the path between `[+]` and `ok`.
 These individual health checks should not be consumed by machines but can be helpful for a human operator to debug a system: