diff --git a/backend/internal/database/db.go b/backend/internal/database/db.go
index a0cf5b9..6ed5b17 100644
--- a/backend/internal/database/db.go
+++ b/backend/internal/database/db.go
@@ -89,29 +89,34 @@ func DbConnect(dbpath string) Database {
 	return &Db{db}
 }
 
+// GetProjectsForUser retrieves all projects associated with a specific user.
 func (d *Db) GetProjectsForUser(username string) ([]types.Project, error) {
 	var projects []types.Project
 	err := d.Select(&projects, getProjectsForUser, username)
 	return projects, err
 }
 
+// GetAllProjects retrieves all projects from the database.
 func (d *Db) GetAllProjects() ([]types.Project, error) {
 	var projects []types.Project
 	err := d.Select(&projects, "SELECT * FROM projects")
 	return projects, err
 }
 
+// GetProject retrieves a specific project by its ID.
 func (d *Db) GetProject(projectId int) (types.Project, error) {
 	var project types.Project
 	err := d.Select(&project, "SELECT * FROM projects WHERE id = ?")
 	return project, err
 }
 
+// AddTimeReport adds a time report for a specific project and user.
 func (d *Db) AddTimeReport(projectName string, userName string, start time.Time, end time.Time) error { // WIP
 	_, err := d.Exec(addTimeReport, userName, projectName, start, end)
 	return err
 }
 
+// AddUserToProject adds a user to a project with a specified role.
 func (d *Db) AddUserToProject(username string, projectname string, role string) error { // WIP
 	var userid int
 	userid, err := d.GetUserId(username)
@@ -129,23 +134,28 @@ func (d *Db) AddUserToProject(username string, projectname string, role string)
 	return err3
 }
 
+// ChangeUserRole changes the role of a user within a project.
 func (d *Db) ChangeUserRole(username string, projectname string, role string) error {
+	// Get the user ID
 	var userid int
 	userid, err := d.GetUserId(username)
 	if err != nil {
 		panic(err)
 	}
 
+	// Get the project ID
 	var projectid int
 	projectid, err2 := d.GetProjectId(projectname)
 	if err2 != nil {
 		panic(err2)
 	}
 
+	// Execute the SQL query to change the user's role
 	_, err3 := d.Exec(changeUserRole, role, userid, projectid)
 	return err3
 }
 
+// GetUserRole retrieves the role of a user within a project.
 func (d *Db) GetUserRole(username string, projectname string) (string, error) {
 	var role string
 	err := d.Get(&role, "SELECT p_role FROM user_roles WHERE user_id = (SELECT id FROM users WHERE username = ?) AND project_id = (SELECT id FROM projects WHERE name = ?)", username, projectname)