diff --git a/SUMMARY.md b/SUMMARY.md
index 6f41f08ef..c251302e2 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -47,5 +47,5 @@
 * [Roadmap](roadmap.md)
 * [Purchase](purchase.md)
    * [Direct purchase](directpurchase.md)
-   * Through purchase department
+   * [Through purchase department](through_purchase_department.md)