diff --git a/catalog/systems/docs/overview.md b/catalog/systems/docs/index.md
similarity index 100%
rename from catalog/systems/docs/overview.md
rename to catalog/systems/docs/index.md
diff --git a/catalog/systems/mkdocs.yml b/catalog/systems/mkdocs.yml
index 8f5813abb5..390502c15c 100644
--- a/catalog/systems/mkdocs.yml
+++ b/catalog/systems/mkdocs.yml
@@ -1,7 +1,7 @@
 site_name: 'One Platform'
 
 nav:
-  - What's One Platform: overview.md
+  - What's One Platform: index.md
   - One Platform Architecture: op-architecture.md
   - OP Service Deployment Guideline: service-deployment-guideline.md
   - SPA Deployment Guideline: spa-deployment-guidelines.md