MINOR: Rename examples to example
Reviewers: Chia-Ping Tsai
@@ -38,7 +38,7 @@ import static org.apache.kafka.common.metrics.internals.MetricsUtils.convert;
* The current sampled rate based quota does not cope well with bursty workloads. The issue is
* that a unique and large sample can hold the average above the quota until it is discarded.
* Practically, when this happens, one must wait until the sample is expired to bring the rate
- * below the quota even though less time would be theoretically required. As an examples, let's
+ * below the quota even though less time would be theoretically required. As an example, let's
* imagine that we have:
* - Quota (Q) = 5
* - Samples (S) = 100
