Tweak example in comment

Reviewed By: IosifSpulber

Differential Revision: D93234058

fbshipit-source-id: 0c824e387867e94412a69354135ae31385f5bc9d

Author: ot

fb303/ServiceData.h

@@ -359,14 +359,12 @@ class ServiceData {
    *
    * To add values to the stat, call addValue on the QuantileStat returned.
    *
-   * There are some helper consts in ExportType.h to make using this function
-   * easier to use:
-   *
-   * ServiceData::get()->getQuantileStat(
-   *    "foo",
-   *    ExportTypeConsts::kSumCountAvg,
-   *    QuantileConsts::kP95_P99_P999,
-   *    SlidingWindowPeriodConsts::kOneMinTenMinHour);
+   * There are some helper consts in ExportType.h to make it easier to change
+   * the default parameters if needed, for example:
+   *
+   * - ExportTypeConsts::kSumCountAvg
+   * - QuantileConsts::kP95_P99_P999
+   * - SlidingWindowPeriodConsts::kOneMinTenMinHour
    *
    * While this function is relatively fast, it is better to reuse the pointer
    * to the QuantileStat returned.