Since Ruby's beginnings, its documentation has been maintained by people who help and support the language. Before the core team releases a new version of Ruby, contributors must update the documentation to reflect the current set of functionality, which presents many challenges to remaining consistent over Ruby's long history. One method may describe a set of arguments and the types one way, but another may tell them differently. Ruby 3 gained a highly requested feature, Type Annotations! A way to describe the structure of your Ruby Programs. In this talk, we'll look at improving Ruby's documentation by leveraging Ruby's Type Signatures to provide users with more accurate and consistent documentation.