Update docs/platforms/dart/common/feature-flags/index.mdx

Co-authored-by: Michelle Zhang <[email protected]>

Author: buenaflor

docs/platforms/dart/common/feature-flags/index.mdx

@@ -1,7 +1,7 @@
 ---
 title: Set Up Feature Flags
 sidebar_order: 7000
-description: With Feature Flags, Sentry tracks feature flag evaluations in your application, keeps an audit log feature flag changes, and reports any suspicious updates that may have caused an error.
+description: With Feature Flags, Sentry tracks feature flag evaluations in your application, keeps an audit log of feature flag changes, and reports any suspicious updates that may have caused an error.
 ---
 
 <PlatformContent includePath="feature-flags/prerelease-alert" />