Worked on the erlang/otp repository to deliver an update to the Array Module documentation, focusing on clarifying the functionality, growth behavior, and default values of extendable arrays. The work involved technical writing in Erlang, ensuring that documentation aligned with OTP standards and addressed common developer questions. Collaborated with another contributor to co-author the changes, using version control to manage and review updates. By improving the clarity of array semantics, the documentation update aimed to streamline onboarding for new developers and reduce ambiguity, ultimately supporting faster feature development and more efficient collaboration within the Erlang and OTP development community.