Grammar tweak

Author: dobooth

src/guides/v2.3/ext-best-practices/phpstorm/built-in-upgrade-compatibility-tool.md

@@ -6,10 +6,10 @@ functional_areas:
 ---
 
 The built-in Upgrade Compatibility Tool aims to achieve the same issues coverage as original Adobe Commerce [Upgrade Compatibility Tool]({{site.baseurl}}/upgrade-compatibility-tool/introduction.html).
-There are three types of inspections that are covered by this MVP version:
+There are three types of inspections covered by this MVP version:
 
 *  Deprecation (severity level: WARNING)
-*  Api coverage (severity level: ERROR)
+*  API coverage (severity level: ERROR)
 *  Existence (severity level: CRITICAL)
 
 A complete list of inspections that are already available in the original tool, can be found by the [following link]({{site.baseurl}}/upgrade-compatibility-tool/errors.html).