diff --git a/user_documentation.md b/user_documentation.md
index 0463749..c17eeb2 100644
--- a/user_documentation.md
+++ b/user_documentation.md
@@ -12,6 +12,7 @@
 - [Main features (brief list of main features and enablers - why it is in the stack)](#main-features)
   - what are our opinions / core principles and believes that are backed in?
     - k8s > *
+  - Developer Portal: Backstage
 - [Quick start guide](#quick-start-guide)
 - [Configuration](#configuration)
   - structure of the poc (where / how can I change something?)
@@ -28,3 +29,4 @@
 ## ⚙️ Configuration
 
 ## 🔗 References
+- Technical Documentation