diff --git a/docs/tutorials/portal-sdk/architecture.rst b/docs/tutorials/portal-sdk/architecture.rst
index ec64bf2..79e5cdc 100644
--- a/docs/tutorials/portal-sdk/architecture.rst
+++ b/docs/tutorials/portal-sdk/architecture.rst
@@ -1,4 +1,5 @@
 Application architecture
 ============================================
+.. _architecture:
 
 Click here to see the `ONAP Portal Architecture <../../../docs/platform/architecture.html>`_.