The article discusses the importance of telling a coworker's manager when they do great work, as it can help with recognition and promotion. However, it's essential to ask the coworker first if it's okay to share their accomplishments with their manager. The article also highlights the importance of being specific and explaining the impact of the coworker's work when providing feedback. This practice can be especially helpful for underrepresented groups or those whose work may not be visible to their manager.