Worked on the erlang/otp repository to deliver a focused documentation update clarifying that atoms are encoded using UTF-8 by default in the External Term Format, aligning guidance with the changes introduced in Erlang/OTP 26.0. The update specifically addressed the behavior of term_to_binary/1,2 and term_to_iovec/1,2, aiming to reduce ambiguity for developers and downstream tooling. Using Markdown and documentation best practices, the work improved onboarding and interoperability by ensuring consistency across core term conversion paths. No bugs were fixed during this period, as the primary emphasis was on enhancing documentation accuracy to support future development and integration efforts.