Worked on the JabRef/jabref repository to improve the reliability of the Linked Files tooltip within the application's user interface. Addressed a bug where only the first linked file was displayed in the tooltip, ensuring that all linked files are now accurately shown to users. This change enhanced the consistency between the UI and the underlying data, reducing potential confusion and support requests related to file display. The solution was implemented using Java, with a focus on GUI development and precise bug fixing. The update contributed to a more transparent and user-friendly experience for those managing references in JabRef.