Contributed to the JetBrains/kotlin-web-site repository by delivering targeted documentation enhancements focused on Kotlin’s interaction with the Java Virtual Machine. Over two months, worked on clarifying JVM numeric value handling, including boxing, caching, and referential equality, to reduce confusion and improve onboarding for developers. Expanded and updated documentation for Kotlin’s Char and Boolean types, covering Unicode support, escape sequences, character operations, and Boolean usage in conditions. Employed Kotlin and Markdown to ensure technical accuracy and consistency across documentation. The work emphasized clear technical writing and alignment with language semantics, addressing common developer questions and supporting the Kotlin community’s learning experience.