diff --git a/mkdocs.yml b/mkdocs.yml
index 9f4acc2..5fcb152 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -170,6 +170,8 @@ markdown_extensions:
 nav:
   - Introduction: 'index.md'
   - Quick Start: 'quick_start.md'
+  - Specifications:
+      - 'Overview': 'specifications/index.md'
   - Resources:
       - 'Glossary': 'resources/glossary.md'
       - 'Links': 'resources/links.md'