Worked on the tc39/ecma262 repository to deliver a focused clarification of the ECMAScript ToLength specification. The contribution addressed ambiguity by specifying that ToLength must return a non-negative integral Number, refining guidance for array-like object lengths and reducing potential misinterpretation among engine implementers. This editorial update, implemented using HTML and technical writing skills, improved the specification’s readability and maintainability. By tightening the language around edge-case semantics, the work supported better interoperability across JavaScript runtimes and facilitated future evolution of the standard. No bugs were fixed during this period, with efforts concentrated on documentation and specification clarity for downstream users.