final edits

Author: deadlypants1973

src/content/docs/cloudflare-one/insights/dex/rules.mdx

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-DEX rules allow you to create and manage testing policies for targeted user groups within your [fleet](/cloudflare-one/insights/dex/tests/). When you create a rule, you define the scope of a test to specific selectors such as departments (like finance or sales), devices, and/or users. You can apply and reuse rules on your desired [tests](/cloudflare-one/insights/dex/tests/).
+DEX rules allow you to create and manage testing policies for targeted user groups within your [fleet](/cloudflare-one/insights/dex/tests/). After creating a rule, you can use it to define the scope of a [test](/cloudflare-one/insights/dex/tests/) to specific groups such as departments (like finance or sales), devices, and/or users. You can apply and reuse rules on your desired tests.
 
-DEX rules are ideal for admin who want to define the scope of a test to a specific group within their fleet to allow for efficient problem detection and resolution.
+DEX rules are ideal for admin who want to define the scope of a test to a specific group within their fleet to allow for more precise problem detection and resolution.
 
 ## Create a rule