Update copy with SEO recs (#12656)

Co-authored-by: Alex Krawiec <[email protected]>

Author: coolguyzone

docs/product/dashboards/index.mdx

@@ -1,7 +1,7 @@
 ---
 title: Dashboards
 sidebar_order: 100
-description: "Sentry's Dashboards provide a single view of your application's health, including the ability to navigate issues and performance across multiple projects."
+description: "With Sentry’s Dashboards, you can get a focused view of your application’s health, while being able to easily navigate across multiple projects."
 ---
 
 <Include name="feature-available-for-plan-team.mdx" />
@@ -12,9 +12,9 @@ Sentry's <SandboxLink scenario="dashboards" projectSlug="react">Dashboards</Sand
 
 All widgets in the same view reflect the date range indicated in date time range filter and update synchronously if you update that date range. You can also zoom in on any time series visualizations you may want to investigate, and all of the widgets reflect the time period that you’ve zoomed in on.
 
-## Customization
+## Custom Dashboards
 
-If you’d like to edit the default dashboard or build out multiple ones, each with their own set of unique widgets, you may want to consider our [Custom Dashboards](/product/dashboards/custom-dashboards/) feature which enables you to create more robust views such as the one below.
+If you’d like to edit the default dashboard or build out multiple ones, each with its own set of unique widgets, you may want to consider our [Custom Dashboards](/product/dashboards/custom-dashboards/) feature which enables you to create more robust views such as the one below.
 
 ## Open Dashboard Widgets in Discover and Issues