diff --git a/internal/api/handler/list.go b/internal/api/handler/list.go
index 3afd0c4..13f3445 100644
--- a/internal/api/handler/list.go
+++ b/internal/api/handler/list.go
@@ -54,7 +54,7 @@ func (h *ListHandler) CreateList(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	slog.InfoContext(ctx, "created list successfully", slog.Any("list_id", list.ID))
+	slog.InfoContext(ctx, "created list successfully", slog.String("list_id", list.ID))
 	response.JSON(ctx, w, http.StatusCreated, list)
 }
 
@@ -94,7 +94,7 @@ func (h *ListHandler) DeleteList(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	slog.InfoContext(ctx, "deleted list successfully", slog.Any("list_id", listID))
+	slog.InfoContext(ctx, "deleted list successfully", slog.String("list_id", listID))
 	response.Status(w, http.StatusNoContent)
 }
 
@@ -174,7 +174,10 @@ func (h *ListHandler) AddUserToList(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	slog.InfoContext(ctx, "added user to list successfully", slog.Any("list_id", payload.ListID), slog.Any("email", user.Email))
+	slog.InfoContext(ctx, "added user to list successfully",
+		slog.String("list_id", payload.ListID),
+		slog.String("email", user.Email),
+	)
 	response.Status(w, http.StatusNoContent)
 }
 
@@ -222,7 +225,10 @@ func (h *ListHandler) RemoveUserFromList(w http.ResponseWriter, r *http.Request)
 		return
 	}
 
-	slog.InfoContext(ctx, "removed user from list successfully", slog.Any("list_id", payload.ListID), slog.Any("email", user.Email))
+	slog.InfoContext(ctx, "removed user from list successfully",
+		slog.String("list_id", payload.ListID),
+		slog.String("email", user.Email),
+	)
 	response.Status(w, http.StatusNoContent)
 }
 
@@ -262,7 +268,7 @@ func (h *ListHandler) CreateListItem(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	slog.InfoContext(ctx, "created list item successfully", slog.Any("list_item_id", item.ID))
+	slog.InfoContext(ctx, "created list item successfully", slog.String("list_item_id", item.ID))
 	response.JSON(ctx, w, http.StatusCreated, item)
 }
 
@@ -302,7 +308,7 @@ func (h *ListHandler) DeleteListItem(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	slog.InfoContext(ctx, "deleted list item successfully", slog.Any("list_item_id", listItemID))
+	slog.InfoContext(ctx, "deleted list item successfully", slog.String("list_item_id", listItemID))
 	response.Status(w, http.StatusNoContent)
 }
 
@@ -343,7 +349,7 @@ func (h *ListHandler) UpdateListItem(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	slog.InfoContext(ctx, "updated list item successfully", slog.Any("list_item_id", payload.ListItemID))
+	slog.InfoContext(ctx, "updated list item successfully", slog.String("list_item_id", payload.ListItemID))
 	response.Status(w, http.StatusNoContent)
 }
 
@@ -393,7 +399,7 @@ func (h *ListHandler) SetListItemCompleted(w http.ResponseWriter, r *http.Reques
 		return
 	}
 
-	slog.InfoContext(ctx, "updated list item completed successful", slog.Any("list_item_id", listItemID))
+	slog.InfoContext(ctx, "updated list item completed successful", slog.String("list_item_id", listItemID))
 	response.Status(w, http.StatusNoContent)
 }
 
diff --git a/internal/domain/user.go b/internal/domain/user.go
index d859dae..d61d871 100644
--- a/internal/domain/user.go
+++ b/internal/domain/user.go
@@ -9,7 +9,7 @@ import (
 )
 
 var (
-	ErrUserIDMissing   = errors.New("user id is missing")
+	ErrUserIDMissing   = errors.New("user id is required")
 	ErrEmailMissing    = errors.New("email is required")
 	ErrNameMissing     = errors.New("name is required")
 	ErrPasswordMissing = errors.New("password is required")
diff --git a/internal/repository/list.go b/internal/repository/list.go
index 1a0d470..d58d90a 100644
--- a/internal/repository/list.go
+++ b/internal/repository/list.go
@@ -93,7 +93,6 @@ func (r *ListRepo) GetLists(ctx context.Context, userID string) ([]domain.List,
 	}
 
 	return lists, nil
-
 }
 
 func (r *ListRepo) AddUserToList(ctx context.Context, listID string, userID string) error {