Merge pull request #29247 from sanmai/patch-1

Update Managing Resources to mention the measure of CPU time

Author: k8s-ci-robot

content/en/docs/concepts/configuration/manage-resources-containers.md

@@ -181,8 +181,9 @@ When using Docker:
   flag in the `docker run` command.
 
 - The `spec.containers[].resources.limits.cpu` is converted to its millicore value and
-  multiplied by 100. The resulting value is the total amount of CPU time that a container can use
-  every 100ms. A container cannot use more than its share of CPU time during this interval.
+  multiplied by 100. The resulting value is the total amount of CPU time in microseconds
+  that a container can use every 100ms. A container cannot use more than its share of
+  CPU time during this interval.
 
   {{< note >}}
   The default quota period is 100ms. The minimum resolution of CPU quota is 1ms.