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Co-authored-by: Sandra (neko) <[email protected]>

content/en/tests/setup/javascript.md

@@ -126,7 +126,7 @@ Just like tags, you can add custom measures to your tests by using the current a
 
 For more information about custom measures, see the [Add Custom Measures Guide][2].
 
-### Mocha ES modules
+### Mocha ECMAScript modules (ESM)
 [Mocha >=9.0.0][3] uses an ESM-first approach to load test files. Set `NODE_OPTIONS` to `-r dd-trace/ci/init --import dd-trace/register.js` to get full visibility into your tests. See [`dd-trace-js` ESM support][4] for more information.