diff --git a/_data/sidebars/main.yml b/_data/sidebars/main.yml
index 4f01f80b6..ad8db19d7 100644
--- a/_data/sidebars/main.yml
+++ b/_data/sidebars/main.yml
@@ -1,10 +1,10 @@
 subitems:
   - title: Data life cycle
-    description: Find resources for each stage by clicking on the RDM data lifecycle.
+    description: Start here to get an overview of research data management. Click on a section of the diagram below to get an introduction to that stage of the data management life cycle.
     subitems:
       - RDM: True
   - title: Your role
-    description: Find resources relevant to your role.
+    description: Identify your role in research data management, find data management resources relevant for you, and information to help you progress in your career path.
     subitems:
       - title: Researcher
         url: /researcher.html
@@ -15,7 +15,7 @@ subitems:
       - title: Data steward infrastructure
         url: /data_steward_infrastructure.html
   - title: Your domain
-    description: Find guidelines for your domain or discipline.
+    description: Learn about the data management problems that affect your domain or research community, and the solutions adopted to address them.
     subitems:
       - title: Plant sciences
         url: /plant_sciences.html
@@ -28,7 +28,7 @@ subitems:
       - title: Intrinsically disordered proteins
         url: /intrinsically_disordered_proteins.html
   - title: Your problem
-    description: Find resources for your data management problems.
+    description: Find guidelines and solutions for tackling common data management problems.
     subitems:
       - title: Compliance monitoring
         url: /compliance_monitoring.html
@@ -56,11 +56,11 @@ subitems:
         url: /sensitive_data.html
 
   - title: All tools and resources
-    description: Browse all tools and resources mentioned on this site.
+    description: Browse the RDMkit's catalogue of tools and resources for research data management.
     url: /all_tools_and_resources.html
     hr: True
   - title: Tools assembly
-    description: See how others assemble RDM tools.
+    description: Find concrete combinations of tools and resources assembled into a workflow for research data management.
     hr: True
     subitems:
       - title: NeLS