diff --git a/mkdocs.yml b/mkdocs.yml
index f1f151d5a7e38544bfa444e5079a87e7232fd012..0ecb5bc13832d17d1e14c8c8dabefb6efea1d897 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -70,65 +70,65 @@ extra:
 # Page tree
 nav:
   - Overview:
-      - Introduction: index.md
-      - OpenSlice deployment examples: under_construction.md
+    - Introduction: index.md
+    - OpenSlice deployment examples: under_construction.md
   - Getting Started:
-      - Deployment: 
-          - Introduction: deployment.md
-          - Docker Compose: deploymentCompose.md
-          - Kubernetes: deploymentK8s.md
-      - Configuration:
-          - Introduction: config_intro.md
-          - Role/Keycloak management: under_construction.md
-          - NFV Orchestrator Configuration: nfvoconfig.md
-          - Consuming Services From External OSS: ./architecture/consumingServicesFromExternalPartners.md
-      - NaaS:
-          - Introduction: under_construction.md
-          - Services:
-            - Service Specification: under_construction.md
-            - Service Catalogs: under_construction.md
-            - Service Inventory: under_construction.md
-            - GSMA GST to TMF Service: under_construction.md      
-          - Resources:
-            - Resources Specification: under_construction.md
-            - Resources Catalogs: under_construction.md
-            - Resources Inventory: under_construction.md
-          - Service orchestration:
-            - Introduction: under_construction.md
-            - Service Lifecycle management: under_construction.md
-            - LCM Rules Introduction: under_construction.md      
-            - From Service order to services/resources: 
-              - Exposing Kubernetes services: under_construction.md
-              - Exposing NFV Services: under_construction.md
-          - Supported TMFORUM exposed APIs: under_construction.md
-      - Service design:
-          - Introduction: service_design_intro.md
-          - Support for Kubernetes:
-            - Introduction: under_construction.md
-            - Exposing Kubernetes Resources: ExposingKubernetesResources.md
-            - Design Helm aaService: under_construction.md
-            - Exposing CRDs_aaS_Example_Calculator: ExposingCRDs_aaS_Example_Calculator.md
-            - HELM Installation aaS Jenkins Example: HELM_Installation_aaS_Jenkins_Example.md
-          - NFV Catalogs: nfvcatalogs.md
-          - Design NFV Services: under_construction.md
-          - LCM Rules:
-            - Introduction: under_construction.md
-            - Specification: under_construction.md
-            - Typical Examples: under_construction.md
-          - Service Specification Examples: under_construction.md
-      - Service Ordering:
-        - Ordering Services from catalogs: under_construction.md
-      - Testing services:
-        - Testing Specification: under_construction.md
-        - Testing Catalogs: under_construction.md
-        - Testing Inventory: under_construction.md
-      - Service as a Product:
-        - Product Specification: under_construction.md
-        - Product Catalogs: under_construction.md
-        - Product Inventory: under_construction.md
-      - Assurance services:
-        - Introduction: under_construction.md
-        - Alarms and Actions: alarms_actions.md
+    - Deployment: 
+      - Introduction: deployment.md
+      - Docker Compose: deploymentCompose.md
+      - Kubernetes: deploymentK8s.md
+    - Configuration:
+      - Introduction: config_intro.md
+      - Role/Keycloak management: under_construction.md
+      - NFV Orchestrator Configuration: nfvoconfig.md
+      - Consuming Services From External OSS: ./architecture/consumingServicesFromExternalPartners.md
+  - NaaS:
+    - Introduction: under_construction.md
+    - Services:
+      - Service Specification: under_construction.md
+      - Service Catalogs: under_construction.md
+      - Service Inventory: under_construction.md
+      - GSMA GST to TMF Service: under_construction.md      
+    - Resources:
+      - Resources Specification: under_construction.md
+      - Resources Catalogs: under_construction.md
+      - Resources Inventory: under_construction.md
+    - Service orchestration:
+      - Introduction: under_construction.md
+      - Service Lifecycle management: under_construction.md
+      - LCM Rules Introduction: under_construction.md      
+      - From Service order to services/resources: 
+        - Exposing Kubernetes services: under_construction.md
+        - Exposing NFV Services: under_construction.md
+    - Supported TMFORUM exposed APIs: under_construction.md
+  - Service design:
+    - Introduction: service_design_intro.md
+    - Support for Kubernetes:
+      - Introduction: under_construction.md
+      - Exposing Kubernetes Resources: ExposingKubernetesResources.md
+      - Design Helm aaService: under_construction.md
+      - Exposing CRDs_aaS_Example_Calculator: ExposingCRDs_aaS_Example_Calculator.md
+      - HELM Installation aaS Jenkins Example: HELM_Installation_aaS_Jenkins_Example.md
+    - NFV Catalogs: nfvcatalogs.md
+    - Design NFV Services: under_construction.md
+    - LCM Rules:
+      - Introduction: under_construction.md
+      - Specification: under_construction.md
+      - Typical Examples: under_construction.md
+    - Service Specification Examples: under_construction.md
+  - Service Ordering:
+    - Ordering Services from catalogs: under_construction.md
+  - Testing services:
+    - Testing Specification: under_construction.md
+    - Testing Catalogs: under_construction.md
+    - Testing Inventory: under_construction.md
+  - Service as a Product:
+    - Product Specification: under_construction.md
+    - Product Catalogs: under_construction.md
+    - Product Inventory: under_construction.md
+  - Assurance services:
+    - Introduction: under_construction.md
+    - Alarms and Actions: alarms_actions.md
   - Design & Architecture:
       - Architecture: ./architecture/architecture.md
       - Cloud native support: 
@@ -145,5 +145,5 @@ nav:
       - Issue management: ./architecture/issuemgt.md
       - Central logging: ./architecture/centrallog.md
   - Contributing to OSL:
-      - Developing: ./contributing/developing.md
+    - Developing: ./contributing/developing.md
   - Terminology: terminology.md