Apply suggestions from code review

Co-authored-by: Copilot <[email protected]>

Author: AugustinMauroy

README.md

@@ -17,13 +17,13 @@
     <img src="https://img.shields.io/badge/license-MIT-blue" alt="MIT License" />
   </a>
   <a href="https://codecov.io/gh/nodejs/api-docs-tooling" >
-    <img src="https://codecov.io/gh/nodejs/api-docs-tooling/graph/badge.svg?token=TZRUKKDICU"/>
+    <img src="https://codecov.io/gh/nodejs/api-docs-tooling/graph/badge.svg?token=TZRUKKDICU" alt="Codecov coverage badge"/>
   </a>
   <a title="scorecard" href="https://securityscorecards.dev/viewer/?uri=github.com/nodejs/api-docs-tooling">
     <img src="https://api.securityscorecards.dev/projects/github.com/nodejs/api-docs-tooling/badge" alt="api-docs-tooling scorecard badge" />
   </a>
   <a href="https://www.bestpractices.dev/projects/29">
-    <img src="https://www.bestpractices.dev/projects/29/badge">
+    <img src="https://www.bestpractices.dev/projects/29/badge" alt="CII Best Practices badge">
   </a>
 </p>