Apply suggestions from code review

Co-authored-by: Tomasz Dąbrowski <[email protected]>

Author: adriendupuis

docs/infrastructure_and_maintenance/security/security_checklist.md

@@ -147,9 +147,9 @@ Reduce your attack surface by exposing only what you must.
 ### Limit access to Code blocks
 
 The [Code block]([[= user_doc =]]/content_management/block_reference/#code-block) in Page Builder is designed to accept any HTML, which includes embedded JavaScript.
-This means that malicious JS including [cross site scripting (XSS)](https://en.wikipedia.org/wiki/Cross-site_scripting) is necessarily possible for editors that have access to Code blocks.
-As site administrator you should be aware of this when giving editors access to the Page Builder features, and limit that access only to highly trusted editors.
-It is possible to [limit access to specific blocks per content type]([[= user_doc =]]/content_management/configure_ct_field_settings/#default-configuration-of-pages), where you can define which page blocks are available to an editor.
+This means that editors who have access to Code blocks could add malicious JS including [cross site scripting (XSS)](https://en.wikipedia.org/wiki/Cross-site_scripting).
+As site administrator, be aware of this when giving editors access to the Page Builder features, and limit that access only to trusted editors.
+You can [limit access to specific blocks per content type]([[= user_doc =]]/content_management/configure_ct_field_settings/#default-configuration-of-pages) by defining which page blocks are available to editors.
 
 ## Symfony