Apply suggestions from code review

Co-authored-by: Traci Porter <[email protected]>

docs/storefront/stencil/deployment/performance-optimization.mdx

@@ -132,11 +132,11 @@ After removing some unused bytes, minifying JavaScript files, and resizing an im
 
 Using Lighthouse is an important step in optimizing your site and improving the user experience. It is an easy to use best practice tip that provides powerful insights. 
 
-## Using Error Detections and Optimization Tools
-Tools that automatically record errors, provide session playback, and optimization suggestions often benefit from having access to the themes source maps in production. 
-They provide a way to translate between minified code, designed to decrease webpage load times, to the source code the developer writes.
+## Using error detections and optimization tools
+Tools that automatically record errors and provide session playback and optimization suggestions often benefit from having access to the themes' source maps in production. 
+They provide a way to translate between minified code, designed to decrease webpage load times and the source code the developer writes.
 
-[Stencil-cli](/docs/storefront/stencil/cli/options-and-commands.mdx) provides convenient options for bundling the production ready theme with source maps included.
+[Stencil CLI](/docs/storefront/stencil/cli/options-and-commands) provides convenient options for bundling the production-ready theme with source maps included.
 
 ## Designing for accessibility