fix percentile timer docs (#98)

Author: copperlight

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nflx-spectator",
-  "version": "3.0.6",
+  "version": "3.0.7",
   "license": "Apache-2.0",
   "homepage": "https://github.com/Netflix/spectator-js",
   "author": "Netflix Telemetry Engineering <netflix-atlas@googlegroups.com>",

src/meter/percentile_timer.ts

@@ -28,7 +28,7 @@ export class PercentileTimer extends Meter {
      *
      *     start = process.hrtime();
      *     // do work
-     *     registry.timer("eventLatency").record(process.hrtime(start));
+     *     registry.pct_timer("eventLatency").record(process.hrtime(start));
      */
     record(seconds: number | number[] | bigint): Promise<void> {
         let elapsed: number;