Charles Cote unified the Error Grouping documentation within the DataDog/documentation repository by merging the Default Grouping and Custom Grouping pages into a single, streamlined resource. He approached this by consolidating markdown files, updating multilingual menus, and reducing duplication across documentation assets. Using content management and documentation skills, along with proficiency in markdown and yaml, Charles improved clarity and consistency for users navigating error grouping features. This work addressed the need for clearer guidance and easier maintenance, enabling faster onboarding and adoption of error tracking capabilities. The depth of the changes ensured cross-language consistency and reduced ongoing documentation overhead for the team.