Merge pull request #111 from embrace-io/sleira/improve-top-n-document…

…ation

Explain what Top N means

docs/custom-metrics-api/supported_metrics.md

@@ -31,6 +31,6 @@ The following metrics are supported as Custom Metrics. Metrics with the suffix "
 
 :::info
 
-1. Refer to this [documentation](/embrace-api/supported_metrics_and_queries/#dimension-reduction---other) to understand how `top_n` dimensions work.
+1. Refer to this [documentation](/embrace-api/supported_metrics_and_queries/#dimension-reduction---other) to understand how `top_n` dimensions work. We keep the top 50 for top_n_market_name, top_n_domain, and top_n_path. 
 2. You can also pull the latest set of supported metrics directly from the [API](/custom-metrics-api/#get-metrics-and-parameters-supported).
 :::

docs/embrace-api/supported_metrics_and_queries.md

@@ -90,7 +90,7 @@ sum(hourly_custom_metric_sessions_total{})
 To reduce storage costs with various observability platforms (eg Datadog), Embrace Metrics examine high cardinality dimensions for consolidation.
 
 ### Device Models
-There are over 40,000 unique device models on the Android operating system.  The bottom 39,000 models account for ~30% of data typically.  Aside from being expensive to store this many unique values, it is also unwieldy to visualize or review!
+There are over 40,000 unique device models on the Android operating system. The bottom 39,000 models account for ~30% of data typically.  Aside from being expensive to store this many unique values, it is also unwieldy to visualize or review!
 
 <img src={require('@site/static/images/embrace-api/device_other.png').default} alt="Chart showing data by device ranking" />