Add mention of new page to page.on docs

Author: heitortsergent

docs/sources/k6/next/javascript-api/k6-browser/page/on.md

@@ -5,7 +5,7 @@ description: 'Browser module: page.on method'
 
 # on(event, handler)
 
-Registers a handler to be called whenever the specified event occurs.
+Registers a handler to be called whenever the specified event occurs. This method can also be used to prevent the `too many time series` error when using the k6 browser module. For more details, refer to [Prevent too many time series error](https://grafana.com/docs/k6/<K6_VERSION>/using-k6-browser/recommended-practices/prevent-too-many-time-series-error).
 
 | Parameter | Type     | Default | Description                                                          |
 | --------- | -------- | ------- | -------------------------------------------------------------------- |